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JavaScriptCSSHTMLAPIHTTPSVGWebExtensions
CSS
at-rules

font-face

[mdn][spec]
@font-face

OpenType_COLRv0

OpenType COLRv0 rendering

WOFF_2

[mdn][spec]
WOFF 2

font-display

[mdn][spec]

font-stretch

[mdn][spec]

src

[mdn][spec]
CSS
at-rules

keyframes

[mdn][spec]
@keyframes

ignore_important_declarations

Ignore !important declarations
CSS
at-rules

media

[mdn][spec]
@media

-webkit-device-pixel-ratio

[mdn][spec]
-webkit-device-pixel-ratio media feature

-webkit-max-device-pixel-ratio

[mdn][spec]
-webkit-max-device-pixel-ratio media feature

-webkit-min-device-pixel-ratio

[mdn][spec]
-webkit-min-device-pixel-ratio media feature

-webkit-transform-3d

[mdn][spec]
-webkit-transform-3d media feature

any-hover

[mdn][spec]
any-hover media feature

any-pointer

[mdn][spec]
any-pointer media feature

calc

[mdn][spec]
calc() expressions

display-mode

[mdn][spec]
display-mode media feature

hover

[mdn][spec]
hover media feature

monochrome

[mdn][spec]
monochrome media feature

nested-queries

Nested media queries

pointer

[mdn][spec]
pointer media feature

prefers-color-scheme

[mdn][spec]
prefers-color-scheme media feature

prefers-reduced-motion

[mdn][spec]
prefers-reduced-motion media feature
CSS
at-rules

supports

[mdn][spec]
@supports
CSS
properties

-webkit-line-clamp

[mdn][spec]
CSS
properties

-webkit-mask-composite

[mdn]
CSS
properties

-webkit-mask-position-x

[mdn]
CSS
properties

-webkit-mask-position-y

[mdn]
CSS
properties

-webkit-text-fill-color

[mdn][spec]
CSS
properties

-webkit-text-stroke

[mdn][spec]
CSS
properties

-webkit-text-stroke-color

[mdn][spec]
CSS
properties

-webkit-text-stroke-width

[mdn][spec]
CSS
properties

align-content

[mdn][spec]

flex_context

[spec]
Supported in Flex Layout

grid_context

[spec]
Supported in Grid Layout
CSS
properties

align-items

[mdn][spec]

grid_context

[spec]
Supported in Grid Layout
CSS
properties

align-self

[mdn][spec]

flex_context

[spec]
Supported in Flex Layout

grid_context

[spec]
Supported in Grid Layout
CSS
properties

all

[mdn][spec]
CSS
properties

animation-duration

[mdn][spec]
CSS
properties

appearance

[mdn][spec]

compat-auto

<compat-auto> (compatibility values searchfield, textarea, push-button, slider-horizontal, checkbox, radio, square-button, menulist, listbox, meter, progress-bar, button)

menulist-button

menulist-button

none

textfield

CSS
properties

background-blend-mode

[mdn][spec]
CSS
properties

block-size

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

border-block-end

[mdn][spec]
CSS
properties

border-block-end-color

[mdn][spec]
CSS
properties

border-block-end-style

[mdn][spec]
CSS
properties

border-block-end-width

[mdn][spec]
CSS
properties

border-block-start

[mdn][spec]
CSS
properties

border-block-start-color

[mdn][spec]
CSS
properties

border-block-start-style

[mdn][spec]
CSS
properties

border-block-start-width

[mdn][spec]
CSS
properties

border-inline-end

[mdn][spec]
CSS
properties

border-inline-end-color

[mdn][spec]
CSS
properties

border-inline-end-style

[mdn][spec]
CSS
properties

border-inline-end-width

[mdn][spec]
CSS
properties

border-inline-start

[mdn][spec]
CSS
properties

border-inline-start-color

[mdn][spec]
CSS
properties

border-inline-start-style

[mdn][spec]
CSS
properties

border-inline-start-width

[mdn][spec]
CSS
properties

box-shadow

[mdn][spec]

inset

inset
CSS
properties

caret-color

[mdn][spec]
CSS
properties

clear

[mdn][spec]

flow_relative_values

Flow-relative values inline-start and inline-end
CSS
properties

clip-path

[mdn][spec]

basic_shape

<basic-shape>

html

On HTML elements
CSS
properties

column-gap

[mdn][spec]

grid_context

[spec]
Supported in Grid Layout
CSS
properties

content

[mdn][spec]

element_replacement

Element replacement
CSS
properties

cursor

[mdn][spec]

grab

Grab cursors (grab and grabbing)

url_positioning_syntax

url() positioning syntax

vertical-text

vertical-text

zoom

Zoom cursors (zoom-in and zoom-out)
CSS
properties

custom-property

[mdn][spec]
--*

env

[mdn][spec]
env()

var

[mdn][spec]
var()
CSS
properties

display

[mdn][spec]

contents

flex

flow-root

grid

inline-grid

CSS
properties

filter

[mdn][spec]
CSS
properties

flex-wrap

[mdn][spec]
CSS
properties

float

[mdn][spec]

flow_relative_values

Flow-relative values inline-start and inline-end
CSS
properties

font

[mdn][spec]

font_stretch_support

Support for font-stretch values in shorthand
CSS
properties

font-kerning

[mdn][spec]
CSS
properties

font-optical-sizing

[mdn][spec]
CSS
properties

font-size

[mdn][spec]

xxx-large

xxx-large keyword
CSS
properties

font-smooth

[mdn]
CSS
properties

font-stretch

[mdn][spec]

percentage

<percentage> syntax
CSS
properties

font-variant

[mdn][spec]

css_fonts_shorthand

CSS Fonts Module Level 3 shorthand
CSS
properties

font-variant-caps

[mdn][spec]
CSS
properties

font-variant-east-asian

[mdn][spec]
CSS
properties

font-variant-ligatures

[mdn][spec]
CSS
properties

font-variant-numeric

[mdn][spec]
CSS
properties

font-variation-settings

[mdn][spec]
CSS
properties

font-weight

[mdn][spec]

number

<number> syntax
CSS
properties

gap

[mdn][spec]

grid_context

[spec]
Supported in Grid Layout
CSS
properties

grid

[mdn][spec]
CSS
properties

grid-area

[mdn][spec]
CSS
properties

grid-auto-flow

[mdn][spec]
CSS
properties

grid-column

[mdn][spec]
CSS
properties

grid-column-end

[mdn][spec]
CSS
properties

grid-column-start

[mdn][spec]
CSS
properties

grid-row

[mdn][spec]
CSS
properties

grid-row-end

[mdn][spec]
CSS
properties

grid-row-start

[mdn][spec]
CSS
properties

grid-template

[mdn][spec]
CSS
properties

grid-template-areas

[mdn][spec]
CSS
properties

grid-template-columns

[mdn][spec]

fit-content

[mdn][spec]
fit-content()

minmax

[mdn][spec]
minmax()

repeat

[mdn][spec]
repeat()
CSS
properties

grid-template-rows

[mdn][spec]

fit-content

[mdn][spec]
fit-content()

minmax

[mdn][spec]
minmax()

repeat

[mdn][spec]
repeat()
CSS
properties

height

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

image-rendering

[mdn][spec]

crisp-edges

optimizeQuality

optimizeSpeed

CSS
properties

inline-size

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

isolation

[mdn][spec]
CSS
properties

justify-content

[mdn][spec]

flex_context

[spec]
Supported in Flex Layout

grid_context

[spec]
Supported in Grid Layout
CSS
properties

justify-items

[mdn][spec]

grid_context

[spec]
Supported in Grid Layout
CSS
properties

justify-self

[mdn][spec]

flex_context

[spec]
Supported in Flex Layout

grid_context

[spec]
Supported in Grid Layout
CSS
properties

list-style-type

[mdn][spec]

arabic-indic

arabic-indic

bengali

bengali

cambodian

cambodian

cjk-earthly-branch

cjk-earthly-branch

cjk-heavenly-stem

cjk-heavenly-stem

cjk-ideographic

cjk-ideographic

devanagari

devanagari

gujarati

gujarati

gurmukhi

gurmukhi

hebrew

hebrew

hiragana

hiragana

hiragana-iroha

hiragana-iroha

kannada

kannada

katakana

katakana

katakana-iroha

katakana-iroha

khmer

khmer

lao

lao

lower-armenian

lower-armenian

malayalam

malayalam

mongolian

mongolian

myanmar

myanmar

oriya

oriya

persian

persian

telugu

telugu

thai

thai

tibetan

tibetan

upper-armenian

upper-armenian
CSS
properties

margin-block-end

[mdn][spec]
CSS
properties

margin-block-start

[mdn][spec]
CSS
properties

margin-inline-end

[mdn][spec]
CSS
properties

margin-inline-start

[mdn][spec]
CSS
properties

mask-image

[mdn][spec]

multiple_mask_images

Multiple mask images

svg_masks

SVG masks
CSS
properties

mask-type

[mdn][spec]
CSS
properties

max-block-size

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

max-height

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

max-inline-size

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

max-width

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

min-block-size

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

min-height

[mdn][spec]

auto

auto

max-content

max-content

min-content

min-content
CSS
properties

min-inline-size

[mdn][spec]

max-content

max-content

min-content

min-content
CSS
properties

min-width

[mdn][spec]

auto

auto

max-content

max-content

min-content

min-content
CSS
properties

mix-blend-mode

[mdn][spec]
CSS
properties

object-fit

[mdn][spec]
CSS
properties

object-position

[mdn][spec]
CSS
properties

offset-distance

[mdn][spec]
CSS
properties

offset-path

[mdn][spec]

path-support

Supports the path() function as a value

ray-support

Supports the ray() function as a value
CSS
properties

offset-rotate

[mdn][spec]
CSS
properties

opacity

[mdn][spec]

percentages

Support for percentage opacity values
CSS
properties

outline-offset

[mdn][spec]
CSS
properties

outline-style

[mdn][spec]

auto

auto
CSS
properties

overflow

[mdn][spec]

multiple_keywords

Multiple keyword syntax for overflow-x and overflow-y
CSS
properties

overflow-wrap

[mdn][spec]

anywhere

anywhere
CSS
properties

padding-block-end

[mdn][spec]
CSS
properties

padding-block-start

[mdn][spec]
CSS
properties

padding-inline-end

[mdn][spec]
CSS
properties

padding-inline-start

[mdn][spec]
CSS
properties

paint-order

[mdn][spec]
CSS
properties

place-content

[mdn][spec]

flex_context

Supported in Flex Layout

grid_context

Supported in Grid Layout
CSS
properties

place-items

[mdn][spec]

flex_context

Supported in Flex Layout

grid_context

Supported in Grid Layout
CSS
properties

place-self

[mdn][spec]

flex_context

Supported in Flex Layout

grid_context

Supported in Grid Layout
CSS
properties

position

[mdn][spec]

position_sticky_table_elements

Table elements as sticky positioning containers

sticky

sticky
CSS
properties

quotes

[mdn][spec]

quotes_auto

auto keyword
CSS
properties

resize

[mdn][spec]

block_level_support

Support on block level, replaced, table cell, or inline block elements
CSS
properties

row-gap

[mdn][spec]

grid_context

[spec]
Supported in Grid Layout
CSS
properties

scroll-snap-align

[mdn][spec]
CSS
properties

shape-image-threshold

[mdn][spec]
CSS
properties

shape-margin

[mdn][spec]
CSS
properties

shape-outside

[mdn][spec]

circle

[mdn]
circle()

gradient

[mdn][spec]
<gradient>

image

[mdn][spec]
<image>

inset

[mdn]
inset()

polygon

[mdn]
polygon()
CSS
properties

tab-size

[mdn][spec]

length

[mdn][spec]
<length>
CSS
properties

text-align

[mdn][spec]

flow_relative_values_start_and_end

Flow-relative values start and end
CSS
properties

text-decoration-color

[mdn][spec]
CSS
properties

text-decoration-line

[mdn][spec]

blink

blink
CSS
properties

text-decoration-style

[mdn][spec]

wavy

wavy
CSS
properties

text-decoration-thickness

[mdn][spec]
CSS
properties

text-emphasis-position

[mdn][spec]

left_and_right

left and right
CSS
properties

text-rendering

[mdn][spec]

auto

auto

geometricPrecision

geometricPrecision
CSS
properties

text-transform

[mdn][spec]

uppercase_eszett

ß → SS
CSS
properties

text-underline-offset

[mdn][spec]
CSS
properties

text-underline-position

[mdn][spec]

from-font

from-font

under

under
CSS
properties

transform-box

[mdn][spec]
CSS
properties

transform-origin

[mdn][spec]

support_in_svg

Support in SVG
CSS
properties

transform-style

[mdn][spec]
CSS
properties

unicode-bidi

[mdn][spec]

isolate

isolate

isolate-override

isolate-override

plaintext

plaintext
CSS
properties

width

[mdn][spec]

max-content

[spec]
max-content

min-content

[spec]
min-content

stretch

stretch
CSS
properties

will-change

[mdn][spec]
CSS
properties

word-break

[mdn][spec]

break-word

break-word
CSS
properties

writing-mode

[mdn][spec]

horizontal_vertical_values

horizontal-tb, vertical-lr, and vertical-rl
CSS
selectors
[mdn][spec]
:any-link
CSS
selectors

attribute

[mdn][spec]
Attribute selector ([attr=value])

case_insensitive_modifier

Case-insensitive modifier (i)
CSS
selectors

cue

[mdn][spec]
::cue
CSS
selectors

default

[mdn][spec]
:default
CSS
selectors

defined

[mdn][spec]
:defined
CSS
selectors

focus-within

[mdn][spec]
:focus-within
CSS
selectors

fullscreen

[mdn][spec]
:fullscreen
CSS
selectors

host

[mdn][spec]
:host
CSS
selectors

hostfunction

[mdn][spec]
:host()
CSS
selectors

in-range

[mdn][spec]
:in-range
CSS
selectors

invalid

[mdn][spec]
:invalid

form

Applies to <form> elements
CSS
selectors

not

[mdn][spec]
Negation pseudo-class selector (:not())

selector_list

Selector list argument
CSS
selectors

out-of-range

[mdn][spec]
:out-of-range
CSS
selectors

placeholder

[mdn][spec]
::placeholder
CSS
selectors

placeholder-shown

[mdn][spec]
:placeholder-shown

non_text_types

Support on non-type="text" elements (such as type="number" or type="time")
CSS
selectors

read-only

[mdn][spec]
:read-only
CSS
selectors

read-write

[mdn][spec]
:read-write
CSS
selectors

scope

[mdn][spec]
:scope

dom_api

Support in DOM API such as in querySelector() and querySelectorAll()
CSS
selectors

slotted

[mdn][spec]
::slotted
CSS
selectors

valid

[mdn][spec]
:valid

form

Applies to <form> elements
CSS
types

basic-shape

[mdn][spec]
<basic-shape>

animation

[mdn]
Animation

circle

[mdn][spec]
circle()

ellipse

[mdn][spec]
ellipse()

inset

[mdn][spec]
inset()

polygon

[mdn][spec]
polygon()
CSS
types

blend-mode

[mdn][spec]
<blend-mode>
CSS
types

calc

[mdn][spec]
calc()

nested

Nested calc() support
CSS
types

color

[mdn][spec]
<color>

hsl

[mdn][spec]
hsl() (HSL color model)

hsla

[mdn][spec]
hsla() (HSL color model)

rgb

[mdn][spec]
rgb() (RGB color model)

rgb_hexadecimal_notation

[mdn][spec]
RGB hexadecimal notation (#RRGGBB, #RGB, …)

rgba

[mdn][spec]
rgba() (RGB color model)
CSS
types

filter-function

[mdn][spec]

blur

[mdn][spec]
blur()

brightness

[mdn][spec]
brightness()

contrast

[mdn][spec]
contrast()

drop-shadow

[mdn][spec]
drop-shadow()

grayscale

[mdn][spec]
grayscale()

hue-rotate

[mdn][spec]
hue-rotate()

invert

[mdn][spec]
invert()

opacity

[mdn][spec]
opacity()

saturate

[mdn][spec]
saturate()

sepia

[mdn][spec]
sepia()
CSS
types

global_keywords

Global keywords

initial

[mdn][spec]

revert

[mdn][spec]

unset

[mdn][spec]
CSS
types

image

[mdn][spec]
<image>

gradient

[mdn][spec]
<gradient>
CSS
types

length

[mdn][spec]
<length>

vmax

vmax unit
CSS
types

length-percentage

[mdn][spec]
<length-percentage>

vmax

vmax unit
CSS
types

max

[mdn][spec]
max()
CSS
types

min

[mdn][spec]
min()