--*

• css-variables-2 #propdef-: <declaration-value>?
• css-variables-1 #propdef-: <declaration-value>?

-webkit-app-region

• manifest-incubations #dfn-webkit-app-region: drag | no-drag

-webkit-appearance

• css-ui-4 #propdef--webkit-appearance: none | auto | <compat-auto> | <compat-special>

-webkit-line-clamp

• css-overflow-4 #propdef--webkit-line-clamp: none | <integer [1,∞]>

-webkit-text-fill-color

• compat #propdef--webkit-text-fill-color: <color>

-webkit-text-stroke

• compat #propdef--webkit-text-stroke: <line-width> || <color>

-webkit-text-stroke-color

• compat #propdef--webkit-text-stroke-color: <color>

-webkit-text-stroke-width

• compat #propdef--webkit-text-stroke-width: <line-width>

-webkit-user-select

• css-ui-4 #propdef--webkit-user-select: auto | text | none | contain | all

accent-color

• css-ui-4 #propdef-accent-color: auto | <color>

align-content

• css-align-3 #propdef-align-content: normal | <baseline-position> | <content-distribution> | <overflow-position>? <content-position>
• css-flexbox-1 #propdef-align-content: flex-start | flex-end | center | space-between | space-around | stretch

align-items

• css-align-3 #propdef-align-items: normal | stretch | <baseline-position> | [ <overflow-position>? <self-position> ]
• css-anchor-position-1 #ref-for-propdef-align-items: anchor-center
• css-flexbox-1 #propdef-align-items: flex-start | flex-end | center | baseline | stretch

align-self

• css-align-3 #propdef-align-self: auto | normal | stretch | <baseline-position> | <overflow-position>? <self-position>
• css-anchor-position-1 #ref-for-propdef-align-self①: anchor-center
• css-flexbox-1 #propdef-align-self: auto | flex-start | flex-end | center | baseline | stretch

alignment-baseline

• css-inline-3 #propdef-alignment-baseline: baseline | text-bottom | alphabetic | ideographic | middle | central | mathematical | text-top

all

• css-cascade-5 #propdef-all: initial | inherit | unset | revert | revert-layer
• css-cascade-4 #propdef-all: initial | inherit | unset | revert
• css-cascade-3 #propdef-all: initial | inherit | unset

anchor-name

• css-anchor-position-1 #propdef-anchor-name: none | <dashed-ident>#

anchor-scope

• css-anchor-position-1 #propdef-anchor-scope: none | all | <dashed-ident>#

animation

• css-animations-1 #propdef-animation: <single-animation>#

animation-composition

• css-animations-2 #propdef-animation-composition: <single-animation-composition>#

animation-delay

• css-animations-1 #propdef-animation-delay: <time>#

animation-direction

• css-animations-1 #propdef-animation-direction: <single-animation-direction>#

animation-duration

• css-animations-2 #propdef-animation-duration: [ auto | <time [0s,∞]> ]#
• css-animations-1 #propdef-animation-duration: <time [0s,∞]>#

animation-fill-mode

• css-animations-1 #propdef-animation-fill-mode: <single-animation-fill-mode>#

animation-iteration-count

• css-animations-1 #propdef-animation-iteration-count: <single-animation-iteration-count>#

animation-name

• css-animations-1 #propdef-animation-name: [ none | <keyframes-name> ]#

animation-play-state

• css-animations-1 #propdef-animation-play-state: <single-animation-play-state>#

animation-range

• scroll-animations-1 #propdef-animation-range: [ <'animation-range-start'> <'animation-range-end'>? ]#

animation-range-end

• scroll-animations-1 #propdef-animation-range-end: [ normal | <length-percentage> | <timeline-range-name> <length-percentage>? ]#

animation-range-start

• scroll-animations-1 #propdef-animation-range-start: [ normal | <length-percentage> | <timeline-range-name> <length-percentage>? ]#

animation-timeline

• css-animations-2 #propdef-animation-timeline: <single-animation-timeline>#

animation-timing-function

• css-animations-1 #propdef-animation-timing-function: <easing-function>#

app-region

• manifest-incubations #dfn-app-region: drag | no-drag

appearance

• css-ui-4 #propdef-appearance: none | auto | <compat-auto> | <compat-special>

aspect-ratio

• css-sizing-4 #propdef-aspect-ratio: auto || <ratio>

backdrop-filter

• filter-effects-2 #propdef-backdrop-filter: none | <filter-value-list>

backface-visibility

• css-transforms-2 #propdef-backface-visibility: visible | hidden

background

• css-backgrounds-3 #propdef-background: <bg-layer>#? , <final-bg-layer>

background-attachment

• css-backgrounds-3 #propdef-background-attachment: <attachment>#

background-blend-mode

• compositing-2 #propdef-background-blend-mode: <mix-blend-mode>#
• compositing-1 #propdef-background-blend-mode: <blend-mode>#

background-clip

• css-backgrounds-4 #propdef-background-clip: <bg-clip>#
• css-backgrounds-3 #propdef-background-clip: <visual-box>#

background-color

• css-backgrounds-3 #propdef-background-color: <color>

background-image

• css-backgrounds-3 #propdef-background-image: <bg-image>#

background-origin

• css-backgrounds-3 #propdef-background-origin: <visual-box>#

background-position

• css-backgrounds-4 #propdef-background-position: <bg-position>#
• css-backgrounds-3 #propdef-background-position: <bg-position>#

background-position-block

• css-backgrounds-4 #propdef-background-position-block: [ center | [ [ start | end ]? <length-percentage>? ]! ]#

background-position-inline

• css-backgrounds-4 #propdef-background-position-inline: [ center | [ [ start | end ]? <length-percentage>? ]! ]#

background-position-x

• css-backgrounds-4 #propdef-background-position-x: [ center | [ [ left | right | x-start | x-end ]? <length-percentage>? ]! ]#

background-position-y

• css-backgrounds-4 #propdef-background-position-y: [ center | [ [ top | bottom | y-start | y-end ]? <length-percentage>? ]! ]#

background-repeat

• css-backgrounds-4 #propdef-background-repeat: <repeat-style>#
• css-backgrounds-3 #propdef-background-repeat: <repeat-style>#

background-repeat-block

• css-backgrounds-4 #propdef-background-repeat-block: <repetition>#

background-repeat-inline

• css-backgrounds-4 #propdef-background-repeat-inline: <repetition>#

background-repeat-x

• css-backgrounds-4 #propdef-background-repeat-x: <repetition>#

background-repeat-y

• css-backgrounds-4 #propdef-background-repeat-y: <repetition>#

background-size

• css-backgrounds-3 #propdef-background-size: <bg-size>#

background-tbd

• css-backgrounds-4 #propdef-background-tbd: <bg-layer>#

baseline-shift

• css-inline-3 #propdef-baseline-shift: <length-percentage> | sub | super | top | center | bottom

baseline-source

• css-inline-3 #propdef-baseline-source: auto | first | last

block-ellipsis

• css-overflow-4 #propdef-block-ellipsis: none | auto | <string>

block-size

• css-logical-1 #propdef-block-size: <'width'>
• css-sizing-4 #ref-for-propdef-block-size: stretch | fit-content | contain

block-step

• css-rhythm-1 #propdef-block-step: <'block-step-size'> || <'block-step-insert'> || <'block-step-align'> || <'block-step-round'>

block-step-align

• css-rhythm-1 #propdef-block-step-align: auto | center | start | end

block-step-insert

• css-rhythm-1 #propdef-block-step-insert: margin | padding

block-step-round

• css-rhythm-1 #propdef-block-step-round: up | down | nearest

block-step-size

• css-rhythm-1 #propdef-block-step-size: none | <length [0,∞]>

bookmark-label

• css-content-3 #propdef-bookmark-label: <content-list>

bookmark-level

• css-content-3 #propdef-bookmark-level: none | <integer [1,∞]>

bookmark-state

• css-content-3 #propdef-bookmark-state: open | closed

border

• css-backgrounds-3 #propdef-border: <line-width> || <line-style> || <color>

border-block

• css-borders-4 #propdef-border-block: <'border-block-start'>
• css-logical-1 #propdef-border-block: <'border-block-start'>

border-block-color

• css-borders-4 #propdef-border-block-color: <'border-top-color'>{1,2}
• css-logical-1 #propdef-border-block-color: <'border-top-color'>{1,2}

border-block-end

• css-borders-4 #propdef-border-block-end: <line-width> || <line-style> || <color>
• css-logical-1 #propdef-border-block-end: <'border-top-width'> || <'border-top-style'> || <color>

border-block-end-color

• css-borders-4 #propdef-border-block-end-color: <color> | <image-1D>
• css-logical-1 #propdef-border-block-end-color: <'border-top-color'>

border-block-end-radius

• css-borders-4 #propdef-border-block-end-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-block-end-style

• css-borders-4 #propdef-border-block-end-style: <line-style>
• css-logical-1 #propdef-border-block-end-style: <'border-top-style'>

border-block-end-width

• css-borders-4 #propdef-border-block-end-width: <line-width>
• css-logical-1 #propdef-border-block-end-width: <'border-top-width'>

border-block-start

• css-borders-4 #propdef-border-block-start: <line-width> || <line-style> || <color>
• css-logical-1 #propdef-border-block-start: <'border-top-width'> || <'border-top-style'> || <color>

border-block-start-color

• css-borders-4 #propdef-border-block-start-color: <color> | <image-1D>
• css-logical-1 #propdef-border-block-start-color: <'border-top-color'>

border-block-start-radius

• css-borders-4 #propdef-border-block-start-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-block-start-style

• css-borders-4 #propdef-border-block-start-style: <line-style>
• css-logical-1 #propdef-border-block-start-style: <'border-top-style'>

border-block-start-width

• css-borders-4 #propdef-border-block-start-width: <line-width>
• css-logical-1 #propdef-border-block-start-width: <'border-top-width'>

border-block-style

• css-borders-4 #propdef-border-block-style: <'border-top-style'>{1,2}
• css-logical-1 #propdef-border-block-style: <'border-top-style'>{1,2}

border-block-width

• css-borders-4 #propdef-border-block-width: <'border-top-width'>{1,2}
• css-logical-1 #propdef-border-block-width: <'border-top-width'>{1,2}

border-bottom

• css-borders-4 #propdef-border-bottom: <line-width> || <line-style> || <color>
• css-backgrounds-3 #propdef-border-bottom: <line-width> || <line-style> || <color>

border-bottom-color

• css-borders-4 #propdef-border-bottom-color: <color> | <image-1D>
• css-backgrounds-3 #propdef-border-bottom-color: <color>

border-bottom-left-radius

• css-borders-4 #propdef-border-bottom-left-radius: <length-percentage [0,∞]>{1,2}
• css-backgrounds-3 #propdef-border-bottom-left-radius: <length-percentage [0,∞]>{1,2}

border-bottom-radius

• css-borders-4 #propdef-border-bottom-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-bottom-right-radius

• css-borders-4 #propdef-border-bottom-right-radius: <length-percentage [0,∞]>{1,2}
• css-backgrounds-3 #propdef-border-bottom-right-radius: <length-percentage [0,∞]>{1,2}

border-bottom-style

• css-borders-4 #propdef-border-bottom-style: <line-style>
• css-backgrounds-3 #propdef-border-bottom-style: <line-style>

border-bottom-width

• css-borders-4 #propdef-border-bottom-width: <line-width>
• css-backgrounds-3 #propdef-border-bottom-width: <line-width>

border-boundary

• css-round-display-1 #propdef-border-boundary: none | parent | display

border-clip

• css-borders-4 #propdef-border-clip: normal | [ <length-percentage [0,∞]> | <flex> ]+

border-clip-bottom

• css-borders-4 #propdef-border-clip-bottom: normal | [ <length-percentage [0,∞]> | <flex> ]+

border-clip-left

• css-borders-4 #propdef-border-clip-left: normal | [ <length-percentage [0,∞]> | <flex> ]+

border-clip-right

• css-borders-4 #propdef-border-clip-right: normal | [ <length-percentage [0,∞]> | <flex> ]+

border-clip-top

• css-borders-4 #propdef-border-clip-top: normal | [ <length-percentage [0,∞]> | <flex> ]+

border-collapse

• css-tables-3 #propdef-border-collapse: separate | collapse

border-color

• css-borders-4 #propdef-border-color: [ <color> | <image-1D> ]{1,4}
• css-backgrounds-3 #propdef-border-color: <color>{1,4}

border-end-end-radius

• css-borders-4 #propdef-border-end-end-radius: <length-percentage [0,∞]>{1,2}
• css-logical-1 #propdef-border-end-end-radius: <'border-top-left-radius'>

border-end-start-radius

• css-borders-4 #propdef-border-end-start-radius: <length-percentage [0,∞]>{1,2}
• css-logical-1 #propdef-border-end-start-radius: <'border-top-left-radius'>

border-image

• css-backgrounds-3 #propdef-border-image: <'border-image-source'> || <'border-image-slice'> [ / <'border-image-width'> | / <'border-image-width'>? / <'border-image-outset'> ]? || <'border-image-repeat'>

border-image-outset

• css-backgrounds-3 #propdef-border-image-outset: [ <length [0,∞]> | <number [0,∞]> ]{1,4}

border-image-repeat

• css-backgrounds-3 #propdef-border-image-repeat: [ stretch | repeat | round | space ]{1,2}

border-image-slice

• css-backgrounds-3 #propdef-border-image-slice: [<number [0,∞]> | <percentage [0,∞]>]{1,4} && fill?

border-image-source

• css-backgrounds-3 #propdef-border-image-source: none | <image>

border-image-width

• css-backgrounds-3 #propdef-border-image-width: [ <length-percentage [0,∞]> | <number [0,∞]> | auto ]{1,4}

border-inline

• css-borders-4 #propdef-border-inline: <'border-block-start'>
• css-logical-1 #propdef-border-inline: <'border-block-start'>

border-inline-color

• css-borders-4 #propdef-border-inline-color: <'border-top-color'>{1,2}
• css-logical-1 #propdef-border-inline-color: <'border-top-color'>{1,2}

border-inline-end

• css-borders-4 #propdef-border-inline-end: <line-width> || <line-style> || <color>
• css-logical-1 #propdef-border-inline-end: <'border-top-width'> || <'border-top-style'> || <color>

border-inline-end-color

• css-borders-4 #propdef-border-inline-end-color: <color> | <image-1D>
• css-logical-1 #propdef-border-inline-end-color: <'border-top-color'>

border-inline-end-radius

• css-borders-4 #propdef-border-inline-end-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-inline-end-style

• css-borders-4 #propdef-border-inline-end-style: <line-style>
• css-logical-1 #propdef-border-inline-end-style: <'border-top-style'>

border-inline-end-width

• css-borders-4 #propdef-border-inline-end-width: <line-width>
• css-logical-1 #propdef-border-inline-end-width: <'border-top-width'>

border-inline-start

• css-borders-4 #propdef-border-inline-start: <line-width> || <line-style> || <color>
• css-logical-1 #propdef-border-inline-start: <'border-top-width'> || <'border-top-style'> || <color>

border-inline-start-color

• css-borders-4 #propdef-border-inline-start-color: <color> | <image-1D>
• css-logical-1 #propdef-border-inline-start-color: <'border-top-color'>

border-inline-start-radius

• css-borders-4 #propdef-border-inline-start-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-inline-start-style

• css-borders-4 #propdef-border-inline-start-style: <line-style>
• css-logical-1 #propdef-border-inline-start-style: <'border-top-style'>

border-inline-start-width

• css-borders-4 #propdef-border-inline-start-width: <line-width>
• css-logical-1 #propdef-border-inline-start-width: <'border-top-width'>

border-inline-style

• css-borders-4 #propdef-border-inline-style: <'border-top-style'>{1,2}
• css-logical-1 #propdef-border-inline-style: <'border-top-style'>{1,2}

border-inline-width

• css-borders-4 #propdef-border-inline-width: <'border-top-width'>{1,2}
• css-logical-1 #propdef-border-inline-width: <'border-top-width'>{1,2}

border-left

• css-borders-4 #propdef-border-left: <line-width> || <line-style> || <color>
• css-backgrounds-3 #propdef-border-left: <line-width> || <line-style> || <color>

border-left-color

• css-borders-4 #propdef-border-left-color: <color> | <image-1D>
• css-backgrounds-3 #propdef-border-left-color: <color>

border-left-radius

• css-borders-4 #propdef-border-left-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-left-style

• css-borders-4 #propdef-border-left-style: <line-style>
• css-backgrounds-3 #propdef-border-left-style: <line-style>

border-left-width

• css-borders-4 #propdef-border-left-width: <line-width>
• css-backgrounds-3 #propdef-border-left-width: <line-width>

border-limit

• css-borders-4 #propdef-border-limit: all | [ sides | corners ] <length-percentage [0,∞]>? | [ top | right | bottom | left ] <length-percentage [0,∞]>

border-radius

• css-borders-4 #propdef-border-radius: <length-percentage [0,∞]>{1,4} [ / <length-percentage [0,∞]>{1,4} ]?
• css-backgrounds-3 #propdef-border-radius: <length-percentage [0,∞]>{1,4} [ / <length-percentage [0,∞]>{1,4} ]?

border-right

• css-borders-4 #propdef-border-right: <line-width> || <line-style> || <color>
• css-backgrounds-3 #propdef-border-right: <line-width> || <line-style> || <color>

border-right-color

• css-borders-4 #propdef-border-right-color: <color> | <image-1D>
• css-backgrounds-3 #propdef-border-right-color: <color>

border-right-radius

• css-borders-4 #propdef-border-right-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-right-style

• css-borders-4 #propdef-border-right-style: <line-style>
• css-backgrounds-3 #propdef-border-right-style: <line-style>

border-right-width

• css-borders-4 #propdef-border-right-width: <line-width>
• css-backgrounds-3 #propdef-border-right-width: <line-width>

border-spacing

• css-tables-3 #propdef-border-spacing: <length>{1,2}

border-start-end-radius

• css-borders-4 #propdef-border-start-end-radius: <length-percentage [0,∞]>{1,2}
• css-logical-1 #propdef-border-start-end-radius: <'border-top-left-radius'>

border-start-start-radius

• css-borders-4 #propdef-border-start-start-radius: <length-percentage [0,∞]>{1,2}
• css-logical-1 #propdef-border-start-start-radius: <'border-top-left-radius'>

border-style

• css-backgrounds-3 #propdef-border-style: <line-style>{1,4}

border-top

• css-borders-4 #propdef-border-top: <line-width> || <line-style> || <color>
• css-backgrounds-3 #propdef-border-top: <line-width> || <line-style> || <color>

border-top-color

• css-borders-4 #propdef-border-top-color: <color> | <image-1D>
• css-backgrounds-3 #propdef-border-top-color: <color>

border-top-left-radius

• css-borders-4 #propdef-border-top-left-radius: <length-percentage [0,∞]>{1,2}
• css-backgrounds-3 #propdef-border-top-left-radius: <length-percentage [0,∞]>{1,2}

border-top-radius

• css-borders-4 #propdef-border-top-radius: <length-percentage [0,∞]>{1,2} [ / <length-percentage [0,∞]>{1,2} ]?

border-top-right-radius

• css-borders-4 #propdef-border-top-right-radius: <length-percentage [0,∞]>{1,2}
• css-backgrounds-3 #propdef-border-top-right-radius: <length-percentage [0,∞]>{1,2}

border-top-style

• css-borders-4 #propdef-border-top-style: <line-style>
• css-backgrounds-3 #propdef-border-top-style: <line-style>

border-top-width

• css-borders-4 #propdef-border-top-width: <line-width>
• css-backgrounds-3 #propdef-border-top-width: <line-width>

border-width

• css-backgrounds-3 #propdef-border-width: <line-width>{1,4}

bottom

• css-position-3 #propdef-bottom: auto | <length-percentage>
• css-anchor-position-1 #ref-for-propdef-bottom: <anchor()>
• css-anchor-position-1 #ref-for-propdef-bottom①: <anchor-size()>

box-decoration-break

• css-break-4 #propdef-box-decoration-break: slice | clone
• css-break-3 #propdef-box-decoration-break: slice | clone

box-shadow

• css-borders-4 #propdef-box-shadow: <spread-shadow>#
• css-backgrounds-3 #propdef-box-shadow: none | <shadow>#

box-shadow-blur

• css-borders-4 #propdef-box-shadow-blur: <length [0,∞]>#

box-shadow-color

• css-borders-4 #propdef-box-shadow-color: <color>#

box-shadow-offset

• css-borders-4 #propdef-box-shadow-offset: [ none | <length>{2} ]#

box-shadow-position

• css-borders-4 #propdef-box-shadow-position: [ outset | inset ]#

box-shadow-spread

• css-borders-4 #propdef-box-shadow-spread: <length>#

box-sizing

• css-sizing-3 #propdef-box-sizing: content-box | border-box
• css-ui-3 #propdef-box-sizing: content-box | border-box

box-snap

• css-line-grid-1 #propdef-box-snap: none | block-start | block-end | center | baseline | last-baseline

break-after

• css-break-4 #propdef-break-after: auto | avoid | always | all | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region
• css-break-3 #propdef-break-after: auto | avoid | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region

break-before

• css-break-4 #propdef-break-before: auto | avoid | always | all | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region
• css-break-3 #propdef-break-before: auto | avoid | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region

break-inside

• css-break-4 #propdef-break-inside: auto | avoid | avoid-page | avoid-column | avoid-region
• css-break-3 #propdef-break-inside: auto | avoid | avoid-page | avoid-column | avoid-region

caption-side

• css-tables-3 #propdef-caption-side: top | bottom
• css-logical-1 #ref-for-propdef-caption-side①: inline-start | inline-end

caret

• css-ui-4 #propdef-caret: <'caret-color'> || <'caret-animation'> || <'caret-shape'>

caret-animation

• css-ui-4 #propdef-caret-animation: auto | manual

caret-color

• css-ui-4 #propdef-caret-color: auto | <color>
• css-ui-3 #propdef-caret-color: auto | <color>

caret-shape

• css-ui-4 #propdef-caret-shape: auto | bar | block | underscore

clear

• css-page-floats-3 #propdef-clear: inline-start | inline-end | block-start | block-end | left | right | top | bottom | both-inline | both-block | both | none
• css-logical-1 #ref-for-propdef-clear①: inline-start | inline-end

clip

• css-masking-1 #propdef-clip: <rect()> | auto

clip-path

• css-masking-1 #propdef-clip-path: <clip-source> | [ <basic-shape> || <geometry-box> ] | none

clip-rule

• css-masking-1 #propdef-clip-rule: nonzero | evenodd

color

• css-color-4 #propdef-color: <color>

color-adjust

• css-color-adjust-1 #propdef-color-adjust: <'print-color-adjust'>

color-interpolation

• SVG2/painting #ColorInterpolationProperty: auto | sRGB | linearRGB

color-interpolation-filters

• filter-effects-1 #propdef-color-interpolation-filters: auto | sRGB | linearRGB

color-rendering

• #ColorRenderingProperty: auto | optimizeSpeed | optimizeQuality

color-scheme

• css-color-adjust-1 #propdef-color-scheme: normal | [ light | dark | <custom-ident> ]+ && only?

column-count

• css-multicol-1 #propdef-column-count: auto | <integer [1,∞]>

column-fill

• css-multicol-1 #propdef-column-fill: auto | balance | balance-all

column-gap

• css-align-3 #propdef-column-gap: normal | <length-percentage [0,∞]>

column-rule

• css-multicol-1 #propdef-column-rule: <'column-rule-width'> || <'column-rule-style'> || <'column-rule-color'>

column-rule-color

• css-multicol-1 #propdef-column-rule-color: <color>

column-rule-style

• css-multicol-1 #propdef-column-rule-style: <line-style>

column-rule-width

• css-multicol-1 #propdef-column-rule-width: <line-width>

column-span

• css-multicol-2 #propdef-column-span: none | <integer [1,∞]> | all | auto
• css-multicol-1 #propdef-column-span: none | all

column-width

• css-multicol-1 #propdef-column-width: auto | <length [0,∞]>
• css-sizing-3 #ref-for-propdef-column-width②: min-content | max-content | fit-content(<length-percentage>)

columns

• css-multicol-1 #propdef-columns: <'column-width'> || <'column-count'>

contain

• css-contain-2 #propdef-contain: none | strict | content | [ [size | inline-size] || layout || style || paint ]
• css-contain-1 #propdef-contain: none | strict | content | [ size || layout || paint ]

contain-intrinsic-block-size

• css-sizing-4 #propdef-contain-intrinsic-block-size: auto? [ none | <length> ]

contain-intrinsic-height

• css-sizing-4 #propdef-contain-intrinsic-height: auto? [ none | <length> ]

contain-intrinsic-inline-size

• css-sizing-4 #propdef-contain-intrinsic-inline-size: auto? [ none | <length> ]

contain-intrinsic-size

• css-sizing-4 #propdef-contain-intrinsic-size: [ auto? [ none | <length> ] ]{1,2}

contain-intrinsic-width

• css-sizing-4 #propdef-contain-intrinsic-width: auto? [ none | <length> ]

container

• css-conditional-5 #propdef-container: <'container-name'> [ / <'container-type'> ]?

container-name

• css-conditional-5 #propdef-container-name: none | <custom-ident>+

container-type

• css-conditional-5 #propdef-container-type: normal | [ [ size | inline-size ] || scroll-state ]

content

• css-content-3 #propdef-content: normal | none | [ <content-replacement> | <content-list> ] [/ [ <string> | <counter> | <attr()> ]+ ]?
• css-gcpm-3 #ref-for-propdef-content①: <element()>

content-visibility

• css-contain-2 #propdef-content-visibility: visible | auto | hidden

continue

• css-overflow-4 #propdef-continue: auto | discard
• css-overflow-5 #ref-for-propdef-continue③: overflow | paginate | fragments
• css-overflow-4 #ref-for-propdef-continue④: -webkit-discard

copy-into

• css-gcpm-4 #propdef-copy-into: none | [ [ <custom-ident> <content-level>] [, <custom-ident> <content-level>]* ]?

corner-shape

• css-borders-4 #propdef-corner-shape: [ round | angle ]{1,4}

corners

• css-borders-4 #propdef-corners: <'corner-shape'> || <'border-radius'>

counter-increment

• css-lists-3 #propdef-counter-increment: [ <counter-name> <integer>? ]+ | none

counter-reset

• css-lists-3 #propdef-counter-reset: [ <counter-name> <integer>? | <reversed-counter-name> <integer>? ]+ | none

counter-set

• css-lists-3 #propdef-counter-set: [ <counter-name> <integer>? ]+ | none

cue

• css-speech-1 #propdef-cue: <'cue-before'> <'cue-after'>?

cue-after

• css-speech-1 #propdef-cue-after: <uri> <decibel>? | none

cue-before

• css-speech-1 #propdef-cue-before: <uri> <decibel>? | none

cursor

• css-ui-4 #propdef-cursor: [ [ <url> | <url-set> ] [<x> <y>]? ]#? [ auto | default | none | context-menu | help | pointer | progress | wait | cell | crosshair | text | vertical-text | alias | copy | move | no-drop | not-allowed | grab | grabbing | e-resize | n-resize | ne-resize | nw-resize | s-resize | se-resize | sw-resize | w-resize | ew-resize | ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | all-scroll | zoom-in | zoom-out ]
• css-ui-3 #propdef-cursor: [ [<url> [<x> <y>]?,]* [ auto | default | none | context-menu | help | pointer | progress | wait | cell | crosshair | text | vertical-text | alias | copy | move | no-drop | not-allowed | grab | grabbing | e-resize | n-resize | ne-resize | nw-resize | s-resize | se-resize | sw-resize | w-resize | ew-resize | ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | all-scroll | zoom-in | zoom-out ] ]

cx

• SVG2/geometry #CxProperty: <length-percentage>

cy

• SVG2/geometry #CyProperty: <length-percentage>

d

• SVG2/paths #DProperty: none | <string>

direction

• css-writing-modes-4 #propdef-direction: ltr | rtl
• css-writing-modes-3 #propdef-direction: ltr | rtl

display

• css-display-4 #propdef-display: [ <display-outside> || <display-inside> ] | <display-listitem> | <display-internal> | <display-box> | <display-legacy>
• mathml-core #new-display-math-value: <display-outside> || [ <display-inside> | math ]
• css-display-3 #propdef-display: [ <display-outside> || <display-inside> ] | <display-listitem> | <display-internal> | <display-box> | <display-legacy>
• css-grid-3 #ref-for-propdef-display②: masonry | inline-masonry
• css-grid-2 #ref-for-propdef-display②: grid | inline-grid
• css-grid-1 #ref-for-propdef-display①: grid | inline-grid
• css-flexbox-1 #ref-for-propdef-display③: flex | inline-flex
• css-ruby-1 #ref-for-propdef-display②: ruby | ruby-base | ruby-text | ruby-base-container | ruby-text-container

dominant-baseline

• css-inline-3 #propdef-dominant-baseline: auto | text-bottom | alphabetic | ideographic | middle | central | mathematical | hanging | text-top

dynamic-range-limit

• css-color-hdr #propdef-dynamic-range-limit: standard | high | constrained-high

empty-cells

• css-tables-3 #propdef-empty-cells: show | hide

field-sizing

• css-ui-4 #propdef-field-sizing: fixed | content

fill

• fill-stroke-3 #propdef-fill: <'background'> with modifications
• SVG2/painting #FillProperty: <paint>

fill-break

• fill-stroke-3 #propdef-fill-break: bounding-box | slice | clone

fill-color

• fill-stroke-3 #propdef-fill-color: <color>

fill-image

• fill-stroke-3 #propdef-fill-image: <paint>#

fill-opacity

• fill-stroke-3 #propdef-fill-opacity: <'opacity'>
• SVG2/painting #FillOpacityProperty: <‘opacity’>

fill-origin

• fill-stroke-3 #propdef-fill-origin: match-parent | fill-box | stroke-box | content-box | padding-box | border-box

fill-position

• fill-stroke-3 #propdef-fill-position: <position>#

fill-repeat

• fill-stroke-3 #propdef-fill-repeat: <repeat-style>#

fill-rule

• fill-stroke-3 #propdef-fill-rule: nonzero | evenodd
• SVG2/painting #FillRuleProperty: nonzero | evenodd

fill-size

• fill-stroke-3 #propdef-fill-size: <bg-size>#

filter

• filter-effects-1 #propdef-filter: none | <filter-value-list>

flex

• css-flexbox-1 #propdef-flex: none | [ <'flex-grow'> <'flex-shrink'>? || <'flex-basis'> ]

flex-basis

• css-flexbox-1 #propdef-flex-basis: content | <'width'>

flex-direction

• css-flexbox-1 #propdef-flex-direction: row | row-reverse | column | column-reverse

flex-flow

• css-flexbox-1 #propdef-flex-flow: <'flex-direction'> || <'flex-wrap'>

flex-grow

• css-flexbox-1 #propdef-flex-grow: <number [0,∞]>

flex-shrink

• css-flexbox-1 #propdef-flex-shrink: <number [0,∞]>

flex-wrap

• css-flexbox-1 #propdef-flex-wrap: nowrap | wrap | wrap-reverse

float

• css-page-floats-3 #propdef-float: block-start | block-end | inline-start | inline-end | snap-block | <snap-block()> | snap-inline | <snap-inline()> | left | right | top | bottom | none
• css-gcpm-3 #ref-for-propdef-float①: footnote
• css-logical-1 #ref-for-propdef-float①: inline-start | inline-end

float-defer

• css-page-floats-3 #propdef-float-defer: <integer> | last | none

float-offset

• css-page-floats-3 #propdef-float-offset: <length> | <percentage>

float-reference

• css-page-floats-3 #propdef-float-reference: inline | column | region | page

flood-color

• filter-effects-1 #propdef-flood-color: <color>

flood-opacity

• filter-effects-1 #propdef-flood-opacity: <'opacity'>

flow-from

• css-regions-1 #propdef-flow-from: <ident> | none

flow-into

• css-regions-1 #propdef-flow-into: none | <ident> [element | content]?

font

• css-fonts-4 #propdef-font: [ [ <'font-style'> || <font-variant-css2> || <'font-weight'> || <font-width-css3> ]? <'font-size'> [ / <'line-height'> ]? <'font-family'># ] | <system-family-name>

font-family

• css-fonts-4 #propdef-font-family: [ <family-name> | <generic-family> ]#

font-feature-settings

• css-fonts-4 #propdef-font-feature-settings: normal | <feature-tag-value>#

font-kerning

• css-fonts-4 #propdef-font-kerning: auto | normal | none

font-language-override

• css-fonts-4 #propdef-font-language-override: normal | <string>

font-optical-sizing

• css-fonts-4 #propdef-font-optical-sizing: auto | none

font-palette

• css-fonts-4 #propdef-font-palette: normal | light | dark | <palette-identifier> | <palette-mix()>

font-size

• css-fonts-4 #propdef-font-size: <absolute-size> | <relative-size> | <length-percentage [0,∞]> | math

font-size-adjust

• css-fonts-5 #propdef-font-size-adjust: none | [ ex-height | cap-height | ch-width | ic-width | ic-height ]? [ from-font | <number [0,∞]> ]
• css-fonts-4 #propdef-font-size-adjust: none | <number [0,∞]>

font-stretch

• #propdef-font-stretch: normal | <percentage [0,∞]> | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded

font-style

• css-fonts-4 #propdef-font-style: normal | italic | oblique <angle [-90deg,90deg]>?

font-synthesis

• css-fonts-4 #propdef-font-synthesis: none | [ weight || style || small-caps || position]

font-synthesis-position

• css-fonts-4 #propdef-font-synthesis-position: auto | none

font-synthesis-small-caps

• css-fonts-4 #propdef-font-synthesis-small-caps: auto | none

font-synthesis-style

• css-fonts-4 #propdef-font-synthesis-style: auto | none

font-synthesis-weight

• css-fonts-4 #propdef-font-synthesis-weight: auto | none

font-variant

• css-fonts-4 #propdef-font-variant: normal | none | [ [ <common-lig-values> || <discretionary-lig-values> || <historical-lig-values> || <contextual-alt-values> ] || [ small-caps | all-small-caps | petite-caps | all-petite-caps | unicase | titling-caps ] || [ stylistic(<feature-value-name>) || historical-forms || styleset(<feature-value-name>#) || character-variant(<feature-value-name>#) || swash(<feature-value-name>) || ornaments(<feature-value-name>) || annotation(<feature-value-name>) ] || [ <numeric-figure-values> || <numeric-spacing-values> || <numeric-fraction-values> || ordinal || slashed-zero ] || [ <east-asian-variant-values> || <east-asian-width-values> || ruby ] || [ sub | super ] || [ text | emoji | unicode ] ]

font-variant-alternates

• css-fonts-4 #propdef-font-variant-alternates: normal | [ stylistic(<feature-value-name>) || historical-forms || styleset(<feature-value-name>#) || character-variant(<feature-value-name>#) || swash(<feature-value-name>) || ornaments(<feature-value-name>) || annotation(<feature-value-name>) ]

font-variant-caps

• css-fonts-4 #propdef-font-variant-caps: normal | small-caps | all-small-caps | petite-caps | all-petite-caps | unicase | titling-caps

font-variant-east-asian

• css-fonts-4 #propdef-font-variant-east-asian: normal | [ <east-asian-variant-values> || <east-asian-width-values> || ruby ]

font-variant-emoji

• css-fonts-4 #propdef-font-variant-emoji: normal | text | emoji | unicode

font-variant-ligatures

• css-fonts-4 #propdef-font-variant-ligatures: normal | none | [ <common-lig-values> || <discretionary-lig-values> || <historical-lig-values> || <contextual-alt-values> ]

font-variant-numeric

• css-fonts-4 #propdef-font-variant-numeric: normal | [ <numeric-figure-values> || <numeric-spacing-values> || <numeric-fraction-values> || ordinal || slashed-zero ]

font-variant-position

• css-fonts-4 #propdef-font-variant-position: normal | sub | super

font-variation-settings

• css-fonts-4 #propdef-font-variation-settings: normal | [ <opentype-tag> <number>]#

font-weight

• css-fonts-4 #propdef-font-weight: <font-weight-absolute> | bolder | lighter

font-width

• css-fonts-4 #propdef-font-width: normal | <percentage [0,∞]> | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded

footnote-display

• css-gcpm-3 #propdef-footnote-display: block | inline | compact

footnote-policy

• css-gcpm-3 #propdef-footnote-policy: auto | line | block

forced-color-adjust

• css-color-adjust-1 #propdef-forced-color-adjust: auto | none | preserve-parent-color

gap

• css-align-3 #propdef-gap: <'row-gap'> <'column-gap'>?

glyph-orientation-vertical

• css-writing-modes-4 #propdef-glyph-orientation-vertical: auto | 0deg | 90deg | 0 | 90
• css-writing-modes-3 #propdef-glyph-orientation-vertical: auto | 0deg | 90deg | 0 | 90

grid

• css-grid-2 #propdef-grid: <'grid-template'> | <'grid-template-rows'> / [ auto-flow && dense? ] <'grid-auto-columns'>? | [ auto-flow && dense? ] <'grid-auto-rows'>? / <'grid-template-columns'>
• css-grid-1 #propdef-grid: <'grid-template'> | <'grid-template-rows'> / [ auto-flow && dense? ] <'grid-auto-columns'>? | [ auto-flow && dense? ] <'grid-auto-rows'>? / <'grid-template-columns'>

grid-area

• css-grid-2 #propdef-grid-area: <grid-line> [ / <grid-line> ]{0,3}
• css-grid-1 #propdef-grid-area: <grid-line> [ / <grid-line> ]{0,3}

grid-auto-columns

• css-grid-2 #propdef-grid-auto-columns: <track-size>+
• css-grid-1 #propdef-grid-auto-columns: <track-size>+

grid-auto-flow

• css-grid-3 #propdef-grid-auto-flow: [ row | column | row-reverse | column-reverse ] || dense || wrap-reverse
• css-grid-2 #propdef-grid-auto-flow: [ row | column ] || dense
• css-grid-1 #propdef-grid-auto-flow: [ row | column ] || dense

grid-auto-rows

• css-grid-2 #propdef-grid-auto-rows: <track-size>+
• css-grid-1 #propdef-grid-auto-rows: <track-size>+

grid-column

• css-grid-2 #propdef-grid-column: <grid-line> [ / <grid-line> ]?
• css-grid-1 #propdef-grid-column: <grid-line> [ / <grid-line> ]?

grid-column-end

• css-grid-2 #propdef-grid-column-end: <grid-line>
• css-grid-1 #propdef-grid-column-end: <grid-line>

grid-column-gap

• css-align-3 #propdef-grid-column-gap: normal | <length-percentage [0,∞]>

grid-column-start

• css-grid-2 #propdef-grid-column-start: <grid-line>
• css-grid-1 #propdef-grid-column-start: <grid-line>

grid-gap

• css-align-3 #propdef-grid-gap: <'row-gap'> <'column-gap'>?

grid-row

• css-grid-2 #propdef-grid-row: <grid-line> [ / <grid-line> ]?
• css-grid-1 #propdef-grid-row: <grid-line> [ / <grid-line> ]?

grid-row-end

• css-grid-2 #propdef-grid-row-end: <grid-line>
• css-grid-1 #propdef-grid-row-end: <grid-line>

grid-row-gap

• css-align-3 #propdef-grid-row-gap: normal | <length-percentage [0,∞]>

grid-row-start

• css-grid-2 #propdef-grid-row-start: <grid-line>
• css-grid-1 #propdef-grid-row-start: <grid-line>

grid-template

• css-grid-2 #propdef-grid-template: none | [ <'grid-template-rows'> / <'grid-template-columns'> ] | [ <line-names>? <string> <track-size>? <line-names>? ]+ [ / <explicit-track-list> ]?
• css-grid-1 #propdef-grid-template: none | [ <'grid-template-rows'> / <'grid-template-columns'> ] | [ <line-names>? <string> <track-size>? <line-names>? ]+ [ / <explicit-track-list> ]?

grid-template-areas

• css-grid-2 #propdef-grid-template-areas: none | <string>+
• css-grid-1 #propdef-grid-template-areas: none | <string>+

grid-template-columns

• css-grid-2 #propdef-grid-template-columns: none | <track-list> | <auto-track-list> | subgrid <line-name-list>?
• css-grid-3 #ref-for-propdef-grid-template-columns①: masonry
• css-grid-1 #propdef-grid-template-columns: none | <track-list> | <auto-track-list>

grid-template-rows

• css-grid-2 #propdef-grid-template-rows: none | <track-list> | <auto-track-list> | subgrid <line-name-list>?
• css-grid-3 #ref-for-propdef-grid-template-rows①: masonry
• css-grid-1 #propdef-grid-template-rows: none | <track-list> | <auto-track-list>

hanging-punctuation

• css-text-4 #propdef-hanging-punctuation: none | [ first || [ force-end | allow-end ] || last ]
• css-text-3 #propdef-hanging-punctuation: none | [ first || [ force-end | allow-end ] || last ]

height

• css-sizing-3 #propdef-height: auto | <length-percentage [0,∞]> | min-content | max-content | fit-content(<length-percentage [0,∞]>) | <calc-size()>
• css-anchor-position-1 #ref-for-propdef-height: <anchor-size()>
• css-sizing-4 #ref-for-propdef-height①: stretch | fit-content | contain

hyphenate-character

• css-text-4 #propdef-hyphenate-character: auto | <string>

hyphenate-limit-chars

• css-text-4 #propdef-hyphenate-limit-chars: [ auto | <integer> ]{1,3}

hyphenate-limit-last

• css-text-4 #propdef-hyphenate-limit-last: none | always | column | page | spread

hyphenate-limit-lines

• css-text-4 #propdef-hyphenate-limit-lines: no-limit | <integer>

hyphenate-limit-zone

• css-text-4 #propdef-hyphenate-limit-zone: <length-percentage>

hyphens

• css-text-4 #propdef-hyphens: none | manual | auto
• css-text-3 #propdef-hyphens: none | manual | auto

image-orientation

• css-images-3 #propdef-image-orientation: from-image | none | [ <angle> || flip ]

image-rendering

• css-images-3 #propdef-image-rendering: auto | smooth | high-quality | pixelated | crisp-edges
• SVG2/painting #ImageRenderingProperty: auto | optimizeQuality | optimizeSpeed

image-resolution

• css-images-4 #propdef-image-resolution: [ from-image || <resolution> ] && snap?

initial-letter

• css-inline-3 #propdef-initial-letter: normal | <number [1,∞]> <integer [1,∞]> | <number [1,∞]> && [ drop | raise ]?

initial-letter-align

• css-inline-3 #propdef-initial-letter-align: [ border-box? [ alphabetic | ideographic | hanging | leading ]? ]!

initial-letter-wrap

• css-inline-3 #propdef-initial-letter-wrap: none | first | all | grid | <length-percentage>

inline-size

• css-logical-1 #propdef-inline-size: <'width'>
• css-sizing-4 #ref-for-propdef-inline-size: stretch | fit-content | contain
• SVG2/text #InlineSizeProperty: auto | <length-percentage>

inline-sizing

• css-inline-3 #propdef-inline-sizing: normal | stretch

input-security

• css-ui-4 #propdef-input-security: auto | none

inset

• css-logical-1 #propdef-inset: <'top'>{1,4}
• css-position-3 #propdef-inset: <'top'>{1,4}

inset-block

• css-logical-1 #propdef-inset-block: <'top'>{1,2}
• css-position-3 #propdef-inset-block: <'top'>{1,2}

inset-block-end

• css-logical-1 #propdef-inset-block-end: <'top'>
• css-position-3 #propdef-inset-block-end: auto | <length-percentage>

inset-block-start

• css-logical-1 #propdef-inset-block-start: <'top'>
• css-position-3 #propdef-inset-block-start: auto | <length-percentage>

inset-inline

• css-logical-1 #propdef-inset-inline: <'top'>{1,2}
• css-position-3 #propdef-inset-inline: <'top'>{1,2}

inset-inline-end

• css-logical-1 #propdef-inset-inline-end: <'top'>
• css-position-3 #propdef-inset-inline-end: auto | <length-percentage>

inset-inline-start

• css-logical-1 #propdef-inset-inline-start: <'top'>
• css-position-3 #propdef-inset-inline-start: auto | <length-percentage>

interpolate-size

• css-values-5 #propdef-interpolate-size: numeric-only | allow-keywords

isolation

• compositing-2 #propdef-isolation: <isolation-mode>
• compositing-1 #propdef-isolation: <isolation-mode>

justify-content

• css-align-3 #propdef-justify-content: normal | <content-distribution> | <overflow-position>? [ <content-position> | left | right ]
• css-flexbox-1 #propdef-justify-content: flex-start | flex-end | center | space-between | space-around

justify-items

• css-align-3 #propdef-justify-items: normal | stretch | <baseline-position> | <overflow-position>? [ <self-position> | left | right ] | legacy | legacy && [ left | right | center ]
• css-anchor-position-1 #ref-for-propdef-justify-items: anchor-center

justify-self

• css-align-3 #propdef-justify-self: auto | normal | stretch | <baseline-position> | <overflow-position>? [ <self-position> | left | right ]
• css-anchor-position-1 #ref-for-propdef-justify-self①: anchor-center

left

• css-position-3 #propdef-left: auto | <length-percentage>
• css-anchor-position-1 #ref-for-propdef-left: <anchor()>
• css-anchor-position-1 #ref-for-propdef-left③: <anchor-size()>

letter-spacing

• css-text-4 #propdef-letter-spacing: normal | <length-percentage>
• css-text-3 #propdef-letter-spacing: normal | <length>

lighting-color

• filter-effects-1 #propdef-lighting-color: <color>

line-break

• css-text-4 #propdef-line-break: auto | loose | normal | strict | anywhere
• css-text-3 #propdef-line-break: auto | loose | normal | strict | anywhere

line-clamp

• css-overflow-4 #propdef-line-clamp: none | <integer [1,∞]> || <'block-ellipsis'>

line-fit-edge

• css-inline-3 #propdef-line-fit-edge: leading | <text-edge>

line-grid

• css-line-grid-1 #propdef-line-grid: match-parent | create

line-height

• css-inline-3 #propdef-line-height: normal | <number [0,∞]> | <length-percentage [0,∞]>

line-height-step

• css-rhythm-1 #propdef-line-height-step: <length [0,∞]>

line-padding

• css-text-4 #propdef-line-padding: <length>

line-snap

• css-line-grid-1 #propdef-line-snap: none | baseline | contain

link-parameters

• css-link-params-1 #propdef-link-parameters: none | <link-param>+

list-style

• css-lists-3 #propdef-list-style: <'list-style-position'> || <'list-style-image'> || <'list-style-type'>

list-style-image

• css-lists-3 #propdef-list-style-image: <image> | none

list-style-position

• css-lists-3 #propdef-list-style-position: inside | outside

list-style-type

• css-lists-3 #propdef-list-style-type: <counter-style> | <string> | none

margin

• css-box-4 #propdef-margin: <'margin-top'>{1,4}
• css-box-3 #propdef-margin: <'margin-top'>{1,4}

margin-block

• css-logical-1 #propdef-margin-block: <'margin-top'>{1,2}

margin-block-end

• css-logical-1 #propdef-margin-block-end: <'margin-top'>

margin-block-start

• css-logical-1 #propdef-margin-block-start: <'margin-top'>

margin-bottom

• css-box-4 #propdef-margin-bottom: <length-percentage> | auto
• css-anchor-position-1 #ref-for-propdef-margin-bottom: <anchor-size()>
• css-box-3 #propdef-margin-bottom: <length-percentage> | auto

margin-break

• css-break-4 #propdef-margin-break: auto | keep | discard

margin-inline

• css-logical-1 #propdef-margin-inline: <'margin-top'>{1,2}

margin-inline-end

• css-logical-1 #propdef-margin-inline-end: <'margin-top'>

margin-inline-start

• css-logical-1 #propdef-margin-inline-start: <'margin-top'>

margin-left

• css-box-4 #propdef-margin-left: <length-percentage> | auto
• css-anchor-position-1 #ref-for-propdef-margin-left: <anchor-size()>
• css-box-3 #propdef-margin-left: <length-percentage> | auto

margin-right

• css-box-4 #propdef-margin-right: <length-percentage> | auto
• css-anchor-position-1 #ref-for-propdef-margin-right: <anchor-size()>
• css-box-3 #propdef-margin-right: <length-percentage> | auto

margin-top

• css-box-4 #propdef-margin-top: <length-percentage> | auto
• css-anchor-position-1 #ref-for-propdef-margin-top: <anchor-size()>
• css-box-3 #propdef-margin-top: <length-percentage> | auto

margin-trim

• css-box-4 #propdef-margin-trim: none | [ block || inline ] | [ block-start || inline-start || block-end || inline-end ]

marker

• SVG2/painting #MarkerProperty: none | <marker-ref>

marker-end

• SVG2/painting #MarkerEndProperty: none | <marker-ref>

marker-mid

• SVG2/painting #MarkerMidProperty: none | <marker-ref>

marker-side

• css-lists-3 #propdef-marker-side: match-self | match-parent

marker-start

• SVG2/painting #MarkerStartProperty: none | <marker-ref>

mask

• css-masking-1 #propdef-mask: <mask-layer>#

mask-border

• css-masking-1 #propdef-mask-border: <'mask-border-source'> || <'mask-border-slice'> [ / <'mask-border-width'>? [ / <'mask-border-outset'> ]? ]? || <'mask-border-repeat'> || <'mask-border-mode'>

mask-border-mode

• css-masking-1 #propdef-mask-border-mode: luminance | alpha

mask-border-outset

• css-masking-1 #propdef-mask-border-outset: [ <length> | <number> ]{1,4}

mask-border-repeat

• css-masking-1 #propdef-mask-border-repeat: [ stretch | repeat | round | space ]{1,2}

mask-border-slice

• css-masking-1 #propdef-mask-border-slice: [ <number> | <percentage> ]{1,4} fill?

mask-border-source

• css-masking-1 #propdef-mask-border-source: none | <image>

mask-border-width

• css-masking-1 #propdef-mask-border-width: [ <length-percentage> | <number> | auto ]{1,4}

mask-clip

• css-masking-1 #propdef-mask-clip: [ <coord-box> | no-clip ]#

mask-composite

• css-masking-1 #propdef-mask-composite: <compositing-operator>#

mask-image

• css-masking-1 #propdef-mask-image: <mask-reference>#

mask-mode

• css-masking-1 #propdef-mask-mode: <masking-mode>#

mask-origin

• css-masking-1 #propdef-mask-origin: <coord-box>#

mask-position

• css-masking-1 #propdef-mask-position: <position>#

mask-repeat

• css-masking-1 #propdef-mask-repeat: <repeat-style>#

mask-size

• css-masking-1 #propdef-mask-size: <bg-size>#

mask-type

• css-masking-1 #propdef-mask-type: luminance | alpha

masonry-direction

• css-grid-3 #propdef-masonry-direction: row | column | row-reverse | column-reverse

masonry-fill

• css-grid-3 #propdef-masonry-fill: normal | reverse

masonry-flow

• css-grid-3 #propdef-masonry-flow: <'masonry-direction'> || <'masonry-fill'>

math-depth

• mathml-core #propdef-math-depth: auto-add | add(<integer>) | <integer>

math-shift

• mathml-core #propdef-math-shift: normal | compact

math-style

• mathml-core #propdef-math-style: normal | compact

max-block-size

• css-logical-1 #propdef-max-block-size: <'max-width'>
• css-sizing-4 #ref-for-propdef-max-block-size: stretch | fit-content | contain

max-content-inline-size

• css-intrinsic-isize-props #propdef-max-content-inline-size: auto | [ [ <length> | contents ] && use-inline-size? && use-min-inline-size? && use-max-inline-size? ]

max-height

• css-sizing-3 #propdef-max-height: none | <length-percentage [0,∞]> | min-content | max-content | fit-content(<length-percentage [0,∞]>) | <calc-size()>
• css-anchor-position-1 #ref-for-propdef-max-height①: <anchor-size()>
• css-sizing-4 #ref-for-propdef-max-height①: stretch | fit-content | contain

max-inline-size

• css-logical-1 #propdef-max-inline-size: <'max-width'>
• css-sizing-4 #ref-for-propdef-max-inline-size: stretch | fit-content | contain

max-lines

• css-overflow-4 #propdef-max-lines: none | <integer [1,∞]>

max-width

• css-sizing-3 #propdef-max-width: none | <length-percentage [0,∞]> | min-content | max-content | fit-content(<length-percentage [0,∞]>) | <calc-size()>
• css-anchor-position-1 #ref-for-propdef-max-width: <anchor-size()>
• css-sizing-4 #ref-for-propdef-max-width①: stretch | fit-content | contain

min-block-size

• css-logical-1 #propdef-min-block-size: <'min-width'>
• css-sizing-4 #ref-for-propdef-min-block-size: stretch | fit-content | contain

min-content-inline-size

• css-intrinsic-isize-props #propdef-min-content-inline-size: auto | [ [ <length> | contents ] && use-inline-size? && use-min-inline-size? && use-max-inline-size? ]

min-height

• css-sizing-3 #propdef-min-height: auto | <length-percentage [0,∞]> | min-content | max-content | fit-content(<length-percentage [0,∞]>) | <calc-size()>
• css-anchor-position-1 #ref-for-propdef-min-height: <anchor-size()>
• css-sizing-4 #ref-for-propdef-min-height①: stretch | fit-content | contain

min-inline-size

• css-logical-1 #propdef-min-inline-size: <'min-width'>
• css-sizing-4 #ref-for-propdef-min-inline-size: stretch | fit-content | contain

min-intrinsic-sizing

• css-sizing-4 #propdef-min-intrinsic-sizing: legacy | zero-if-scroll || zero-if-extrinsic

min-width

• css-sizing-3 #propdef-min-width: auto | <length-percentage [0,∞]> | min-content | max-content | fit-content(<length-percentage [0,∞]>) | <calc-size()>
• css-anchor-position-1 #ref-for-propdef-min-width: <anchor-size()>
• css-sizing-4 #ref-for-propdef-min-width①: stretch | fit-content | contain

mix-blend-mode

• compositing-2 #propdef-mix-blend-mode: <blend-mode> | plus-darker | plus-lighter
• compositing-1 #propdef-mix-blend-mode: <blend-mode>

nav-down

• css-ui-4 #propdef-nav-down: auto | <id> [ current | root | <target-name> ]?

nav-left

• css-ui-4 #propdef-nav-left: auto | <id> [ current | root | <target-name> ]?

nav-right

• css-ui-4 #propdef-nav-right: auto | <id> [ current | root | <target-name> ]?

nav-up

• css-ui-4 #propdef-nav-up: auto | <id> [ current | root | <target-name> ]?

object-fit

• css-images-4 #propdef-object-fit: fill | none | [contain | cover] || scale-down
• css-images-3 #propdef-object-fit: fill | contain | cover | none | scale-down

object-position

• css-images-3 #propdef-object-position: <position>

object-view-box

• css-images-5 #propdef-object-view-box: none | <basic-shape-rect>

offset

• motion-1 #propdef-offset: [ <'offset-position'>? [ <'offset-path'> [ <'offset-distance'> || <'offset-rotate'> ]? ]? ]! [ / <'offset-anchor'> ]?

offset-anchor

• motion-1 #propdef-offset-anchor: auto | <position>

offset-distance

• motion-1 #propdef-offset-distance: <length-percentage>

offset-path

• motion-1 #propdef-offset-path: none | <offset-path> || <coord-box>

offset-position

• motion-1 #propdef-offset-position: normal | auto | <position>

offset-rotate

• motion-1 #propdef-offset-rotate: [ auto | reverse ] || <angle>

opacity

• css-color-4 #propdef-opacity: <opacity-value>

order

• css-display-4 #propdef-order: <integer>
• css-display-3 #propdef-order: <integer>

orphans

• css-break-4 #propdef-orphans: <integer [1,∞]>
• css-break-3 #propdef-orphans: <integer [1,∞]>

outline

• css-ui-4 #propdef-outline: [ <'outline-width'> || <'outline-style'> || <'outline-color'> ]
• css-ui-3 #propdef-outline: [ <'outline-color'> || <'outline-style'> || <'outline-width'> ]

outline-color

• css-ui-4 #propdef-outline-color: auto | [ <color> | <image-1D> ]
• css-ui-3 #propdef-outline-color: <color> | invert

outline-offset

• css-ui-4 #propdef-outline-offset: <length>
• css-ui-3 #propdef-outline-offset: <length>

outline-style

• css-ui-4 #propdef-outline-style: auto | <outline-line-style>
• css-ui-3 #propdef-outline-style: auto | <border-style>

outline-width

• css-ui-4 #propdef-outline-width: <line-width>
• css-ui-3 #propdef-outline-width: <line-width>

overflow

• css-overflow-3 #propdef-overflow: <'overflow-block'>{1,2}

overflow-anchor

• css-scroll-anchoring-1 #propdef-overflow-anchor: auto | none

overflow-block

• css-overflow-3 #propdef-overflow-block: visible | hidden | clip | scroll | auto

overflow-clip-margin

• css-overflow-4 #propdef-overflow-clip-margin: <visual-box> || <length [0,∞]>
• css-overflow-3 #propdef-overflow-clip-margin: <visual-box> || <length [0,∞]>

overflow-clip-margin-block

• css-overflow-4 #propdef-overflow-clip-margin-block: <visual-box> || <length [0,∞]>

overflow-clip-margin-block-end

• css-overflow-4 #propdef-overflow-clip-margin-block-end: <visual-box> || <length [0,∞]>

overflow-clip-margin-block-start

• css-overflow-4 #propdef-overflow-clip-margin-block-start: <visual-box> || <length [0,∞]>

overflow-clip-margin-bottom

• css-overflow-4 #propdef-overflow-clip-margin-bottom: <visual-box> || <length [0,∞]>

overflow-clip-margin-inline

• css-overflow-4 #propdef-overflow-clip-margin-inline: <visual-box> || <length [0,∞]>

overflow-clip-margin-inline-end

• css-overflow-4 #propdef-overflow-clip-margin-inline-end: <visual-box> || <length [0,∞]>

overflow-clip-margin-inline-start

• css-overflow-4 #propdef-overflow-clip-margin-inline-start: <visual-box> || <length [0,∞]>

overflow-clip-margin-left

• css-overflow-4 #propdef-overflow-clip-margin-left: <visual-box> || <length [0,∞]>

overflow-clip-margin-right

• css-overflow-4 #propdef-overflow-clip-margin-right: <visual-box> || <length [0,∞]>

overflow-clip-margin-top

• css-overflow-4 #propdef-overflow-clip-margin-top: <visual-box> || <length [0,∞]>

overflow-inline

• css-overflow-3 #propdef-overflow-inline: visible | hidden | clip | scroll | auto

overflow-wrap

• css-text-4 #propdef-overflow-wrap: normal | break-word | anywhere
• css-text-3 #propdef-overflow-wrap: normal | break-word | anywhere

overflow-x

• css-overflow-3 #propdef-overflow-x: visible | hidden | clip | scroll | auto

overflow-y

• css-overflow-3 #propdef-overflow-y: visible | hidden | clip | scroll | auto

overlay

• css-position-4 #propdef-overlay: none | auto

overscroll-behavior

• css-overscroll-1 #propdef-overscroll-behavior: [ contain | none | auto ]{1,2}

overscroll-behavior-block

• css-overscroll-1 #propdef-overscroll-behavior-block: contain | none | auto

overscroll-behavior-inline

• css-overscroll-1 #propdef-overscroll-behavior-inline: contain | none | auto

overscroll-behavior-x

• css-overscroll-1 #propdef-overscroll-behavior-x: contain | none | auto

overscroll-behavior-y

• css-overscroll-1 #propdef-overscroll-behavior-y: contain | none | auto

padding

• css-box-4 #propdef-padding: <'padding-top'>{1,4}
• css-box-3 #propdef-padding: <'padding-top'>{1,4}

padding-block

• css-logical-1 #propdef-padding-block: <'padding-top'>{1,2}

padding-block-end

• css-logical-1 #propdef-padding-block-end: <'padding-top'>

padding-block-start

• css-logical-1 #propdef-padding-block-start: <'padding-top'>

padding-bottom

• css-box-4 #propdef-padding-bottom: <length-percentage [0,∞]>
• css-box-3 #propdef-padding-bottom: <length-percentage [0,∞]>

padding-inline

• css-logical-1 #propdef-padding-inline: <'padding-top'>{1,2}

padding-inline-end

• css-logical-1 #propdef-padding-inline-end: <'padding-top'>

padding-inline-start

• css-logical-1 #propdef-padding-inline-start: <'padding-top'>

padding-left

• css-box-4 #propdef-padding-left: <length-percentage [0,∞]>
• css-box-3 #propdef-padding-left: <length-percentage [0,∞]>

padding-right

• css-box-4 #propdef-padding-right: <length-percentage [0,∞]>
• css-box-3 #propdef-padding-right: <length-percentage [0,∞]>

padding-top

• css-box-4 #propdef-padding-top: <length-percentage [0,∞]>
• css-box-3 #propdef-padding-top: <length-percentage [0,∞]>

page

• css-page-3 #propdef-page: auto | <custom-ident>

page-break-after

• css-break-4 #ref-for-propdef-page-break-after①: auto | always | avoid | left | right

page-break-before

• css-break-4 #ref-for-propdef-page-break-before①: auto | always | avoid | left | right

page-break-inside

• css-break-4 #ref-for-propdef-page-break-inside①: avoid | auto

paint-order

• SVG2/painting #PaintOrderProperty: normal | [ fill || stroke || markers ]

pause

• css-speech-1 #propdef-pause: <'pause-before'> <'pause-after'>?

pause-after

• css-speech-1 #propdef-pause-after: <time [0s,∞]> | none | x-weak | weak | medium | strong | x-strong

pause-before

• css-speech-1 #propdef-pause-before: <time [0s,∞]> | none | x-weak | weak | medium | strong | x-strong

perspective

• css-transforms-2 #propdef-perspective: none | <length [0,∞]>

perspective-origin

• css-transforms-2 #propdef-perspective-origin: <position>

place-content

• css-align-3 #propdef-place-content: <'align-content'> <'justify-content'>?

place-items

• css-align-3 #propdef-place-items: <'align-items'> <'justify-items'>?

place-self

• css-align-3 #propdef-place-self: <'align-self'> <'justify-self'>?

pointer-events

• css-ui-4 #propdef-pointer-events: auto | none
• SVG2/interact #PointerEventsProperty: auto | bounding-box | visiblePainted | visibleFill | visibleStroke | visible | painted | fill | stroke | all | none

position

• css-position-3 #propdef-position: static | relative | absolute | sticky | fixed
• css-gcpm-3 #ref-for-propdef-position: <running()>

position-anchor

• css-anchor-position-1 #propdef-position-anchor: auto | <anchor-element>

position-area

• css-anchor-position-1 #propdef-position-area: none | <position-area>

position-try

• css-anchor-position-1 #propdef-position-try: <'position-try-order'>? <'position-try-fallbacks'>

position-try-fallbacks

• css-anchor-position-1 #propdef-position-try-fallbacks: none | [ [<dashed-ident> || <try-tactic>] | <'position-area'> ]#

position-try-order

• css-anchor-position-1 #propdef-position-try-order: normal | <try-size>

position-visibility

• css-anchor-position-1 #propdef-position-visibility: always | [ anchors-valid || anchors-visible || no-overflow ]

print-color-adjust

• css-color-adjust-1 #propdef-print-color-adjust: economy | exact

quotes

• css-content-3 #propdef-quotes: auto | none | match-parent | [ <string> <string> ]+

r

• SVG2/geometry #RProperty: <length-percentage>

reading-flow

• css-display-4 #propdef-reading-flow: normal | flex-visual | flex-flow | grid-rows | grid-columns | grid-order

region-fragment

• css-regions-1 #propdef-region-fragment: auto | break

resize

• css-ui-4 #propdef-resize: none | both | horizontal | vertical | block | inline
• css-ui-3 #propdef-resize: none | both | horizontal | vertical

rest

• css-speech-1 #propdef-rest: <'rest-before'> <'rest-after'>?

rest-after

• css-speech-1 #propdef-rest-after: <time [0s,∞]> | none | x-weak | weak | medium | strong | x-strong

rest-before

• css-speech-1 #propdef-rest-before: <time [0s,∞]> | none | x-weak | weak | medium | strong | x-strong

right

• css-position-3 #propdef-right: auto | <length-percentage>
• css-anchor-position-1 #ref-for-propdef-right: <anchor()>
• css-anchor-position-1 #ref-for-propdef-right③: <anchor-size()>

rotate

• css-transforms-2 #propdef-rotate: none | <angle> | [ x | y | z | <number>{3} ] && <angle>

row-gap

• css-align-3 #propdef-row-gap: normal | <length-percentage [0,∞]>

ruby-align

• css-ruby-1 #propdef-ruby-align: start | center | space-between | space-around

ruby-merge

• css-ruby-1 #propdef-ruby-merge: separate | merge | auto

ruby-overhang

• css-ruby-1 #propdef-ruby-overhang: auto | none

ruby-position

• css-ruby-1 #propdef-ruby-position: [ alternate || [ over | under ] ] | inter-character

rx

• SVG2/geometry #RxProperty: <length-percentage> | auto

ry

• SVG2/geometry #RyProperty: <length-percentage> | auto

scale

• css-transforms-2 #propdef-scale: none | [ <number> | <percentage> ]{1,3}

scroll-behavior

• css-overflow-3 #propdef-scroll-behavior: auto | smooth

scroll-margin

• css-scroll-snap-1 #propdef-scroll-margin: <length>{1,4}

scroll-margin-block

• css-scroll-snap-1 #propdef-scroll-margin-block: <length>{1,2}

scroll-margin-block-end

• css-scroll-snap-1 #propdef-scroll-margin-block-end: <length>

scroll-margin-block-start

• css-scroll-snap-1 #propdef-scroll-margin-block-start: <length>

scroll-margin-bottom

• css-scroll-snap-1 #propdef-scroll-margin-bottom: <length>

scroll-margin-inline

• css-scroll-snap-1 #propdef-scroll-margin-inline: <length>{1,2}

scroll-margin-inline-end

• css-scroll-snap-1 #propdef-scroll-margin-inline-end: <length>

scroll-margin-inline-start

• css-scroll-snap-1 #propdef-scroll-margin-inline-start: <length>

scroll-margin-left

• css-scroll-snap-1 #propdef-scroll-margin-left: <length>

scroll-margin-right

• css-scroll-snap-1 #propdef-scroll-margin-right: <length>

scroll-margin-top

• css-scroll-snap-1 #propdef-scroll-margin-top: <length>

scroll-marker-group

• css-overflow-5 #propdef-scroll-marker-group: none | before | after

scroll-padding

• css-scroll-snap-1 #propdef-scroll-padding: [ auto | <length-percentage [0,∞]> ]{1,4}

scroll-padding-block

• css-scroll-snap-1 #propdef-scroll-padding-block: [ auto | <length-percentage [0,∞]> ]{1,2}

scroll-padding-block-end

• css-scroll-snap-1 #propdef-scroll-padding-block-end: auto | <length-percentage [0,∞]>

scroll-padding-block-start

• css-scroll-snap-1 #propdef-scroll-padding-block-start: auto | <length-percentage [0,∞]>

scroll-padding-bottom

• css-scroll-snap-1 #propdef-scroll-padding-bottom: auto | <length-percentage [0,∞]>

scroll-padding-inline

• css-scroll-snap-1 #propdef-scroll-padding-inline: [ auto | <length-percentage [0,∞]> ]{1,2}

scroll-padding-inline-end

• css-scroll-snap-1 #propdef-scroll-padding-inline-end: auto | <length-percentage [0,∞]>

scroll-padding-inline-start

• css-scroll-snap-1 #propdef-scroll-padding-inline-start: auto | <length-percentage [0,∞]>

scroll-padding-left

• css-scroll-snap-1 #propdef-scroll-padding-left: auto | <length-percentage [0,∞]>

scroll-padding-right

• css-scroll-snap-1 #propdef-scroll-padding-right: auto | <length-percentage [0,∞]>

scroll-padding-top

• css-scroll-snap-1 #propdef-scroll-padding-top: auto | <length-percentage [0,∞]>

scroll-snap-align

• css-scroll-snap-1 #propdef-scroll-snap-align: [ none | start | end | center ]{1,2}

scroll-snap-stop

• css-scroll-snap-1 #propdef-scroll-snap-stop: normal | always

scroll-snap-type

• css-scroll-snap-1 #propdef-scroll-snap-type: none | [ x | y | block | inline | both ] [ mandatory | proximity ]?

scroll-start-target

• css-scroll-snap-2 #propdef-scroll-start-target: [ none | auto ]

scroll-timeline

• scroll-animations-1 #propdef-scroll-timeline: [ <'scroll-timeline-name'> <'scroll-timeline-axis'>? ]#

scroll-timeline-axis

• scroll-animations-1 #propdef-scroll-timeline-axis: [ block | inline | x | y ]#

scroll-timeline-name

• scroll-animations-1 #propdef-scroll-timeline-name: [ none | <dashed-ident> ]#

scrollbar-color

• css-scrollbars-1 #propdef-scrollbar-color: auto | <color>{2}

scrollbar-gutter

• css-overflow-3 #propdef-scrollbar-gutter: auto | stable && both-edges?
• css-overflow-4 #ref-for-propdef-scrollbar-gutter④: auto | [ [ stable | always ] && both-edges? ] || match-parent

scrollbar-width

• css-scrollbars-1 #propdef-scrollbar-width: auto | thin | none

shape-image-threshold

• css-shapes-1 #propdef-shape-image-threshold: <opacity-value>

shape-inside

• css-shapes-2 #propdef-shape-inside: auto | outside-shape | [ <basic-shape> || shape-box ] | <image> | display
• css-round-display-1 #propdef-shape-inside: auto | outside-shape | [ <basic-shape> || shape-box ] | <image> | display
• SVG2/text #ShapeInsideProperty: auto | [ <basic-shape> | <uri> ]+