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CSS

CSS , , @-, CSS . . CSS 1 CSS 2.1, CSS3 CSS3. DOM-CSS / CSSOM.

, CSS- (ASCII) -, DOM-CSS / CSSOM -.

Mozilla CSS Extensions Gecko- -moz; WebKit CSS Extensions WebKit- . CSS- Peter Beverloo .

In this article

, .

selectorlist { property: value; [more property:value; pairs] }

... selectorlist: selector[:pseudo-class] [::pseudo-element] [, more selectorlists]

, .

css
strong {
  color: red;
}
div.menu-bar li:hover > ul {
  display: block;
}

: #1, #2

@-

, @-.

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

Selectors Level 3.

CSS3

, CSS3 CSS2.1, :

DOM-CSS / CSSOM

:

:

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  1. CSS
  3. Modules
    1. Anchor positioning
    2. CSS Animations
    3. Backgrounds and borders
    4. CSS Basic User Interface
    5. Borders and box decorations
    6. CSS
    7. Box model
    8. Box sizing
    9. Cascading and inheritance
    10. Color adjustment
    11. CSS Colors
    12. Compositing and blending
    13. Conditional rules
    14. Containment
    15. Counter styles
    16. CSSOM view
    17. Custom functions and mixins
    18. Custom highlight API
    19. CSS
    20. Display
    21. Easing functions
    22. Environment variables
    23. Filter effects
    24. CSS Flexible Box Layout
    25. Font loading
    26. CSS Fonts
    27. Fragmentation
    28. Gaps
    29. Generated content
    30. CSS Grid Layout
    31. CSS Images
    32. Inline layout
    33. Lists and counters
    34. Logical properties and values
    35. Masking
    36. Media queries
    37. Motion path
    38. Multi-column layout
    39. Namespaces
    40. Nesting
    41. Overflow
    42. Overscroll behavior
    44. Positioned layout
    45. Properties and values API
    46. Pseudo-elements
    47. Round display
    48. CSS Ruby Layout
    49. Scoping
    50. Scroll anchoring
    51. Scroll snap
    52. Scroll-driven animations
    53. Scrollbars styling
    54. CSS-
    55. Shadow parts
    56. Shapes
    57. Syntax
    58. CSS Table
    59. CSS Text
    60. CSS Text Decoration
    61. CSS Transforms
    62. Transitions
    63. Values and units
    64. View transitions
    65. Viewport
    66. WebXR DOM overlays
    67. Will change
    68. CSS
  4. Anchor positioning
    1. Using anchor positioning
    2. Handling overflow
    3. Anchored container queries
    1. Animatable properties
    2. CSS-
    2. Resizing background images
    3. Scaling SVG backgrounds
  7. Borders and box decorations
    1. border-shape nav menu
  8. Box alignment
    1. Overview
    2. In block layout
    3. Flexbox
    4. In grid layout
    5. In multi-column layout
    1. ( , box model)
  10. Box sizing
    1. Aspect ratios
  11. Cascade
    1. Introduction
  12. Cascading variables
    1. CSS
  13. Colors
    1. HTML- CSS
    2. Color values
    3. Using relative colors
    4. Using color wisely
    5. Accessibility: Colors and luminance
    6. Accessibility: Color contrast
    1. Basic concepts
    2. Styling columns
    3. CSS
    4. Spanning and balancing columns
    5. Handling overflow
    6. Handling content breaks
    1. Using feature queries
    2. Using container scroll-state queries
  16. Containment
    1. Container queries
    2. Using containment
    3. Using container size and style queries
    1. CSS
  18. CSSOM View
    1. Coordinate systems (API)
    2. Viewport concepts
  19. Custom functions and mixins
    1. Using CSS custom functions
    1. Block and inline layout
    2. CSS
    3. Flow layout and overflow
    4. Flow layout and writing modes
    5. In flow and out of flow
    9. Inline formatting context
    10. Using multi-keyword syntax
  21. Environment variables
    1. Using environment variables
  22. Filter effects
    1. Using filter effects
    1. Flexbox
    2. Flexbox and other layouts
    3. Flex
    4. Ordering flex items
    5. Controlling flex item ratios
    6. Flex
    7. Typical use cases
    1. OpenType features
    2. Variable fonts
    3. The Web Open Font Format (WOFF)
    1. Grid Layout
    2. Grid-
    3. - CSS Grid
    4. -
    5. Layout using named grid lines
    6. Using auto-placement
    7. CSS Grid
    8. CSS grids, logical values and writing modes
    9. Grid layout and accessibility
    10. Realizing common layouts using CSS Grid Layout
    11. Subgrid
    12. Grid lanes layout
    1. CSS-
    2. Using object-view-box
    4. Implementing image sprites
    1. Indenting lists
    1. Basic concepts
    2. For floating and positioning
    3. For margins, borders, and padding
    4. For sizing
  29. Masking
    1. Introduction
    2. Clipping
    3. Multiple masks
    4. Mask properties
  30. -
    2. For accessibility
    4. Printing
  31. Nesting
    1. Nesting at-rules
    2. Nesting and specificity
    3. Using nesting
  32. Overflow
    1. Creating carousels
    1. (stacking context)
    2. Stacking floating elements
    3. CSS z-index
    4. Using z-index
    5. Stacking without z-index
  34. Properties and Values API
    1. CSS Houdini
    2. Registering custom properties in CSS
  35. Scroll anchoring
    1. Overview
  36. Scroll-driven animations
    1. Scroll-driven animation timelines
    2. Understanding timeline insets
    3. Understanding timeline range names
  37. Scroll snap
    1. CSS Scroll Snap
    2. Using scroll snap events
  38. Selectors
    1. Selectors and combinators
    2. Selector structure
    3. Privacy and :visited
    4. :target
    1. Overview
    2. Box-value shapes
    3. Image-based shapes
    4. Using shape-outside
    5. Shape generator
  40. Syntax
    3. At-rules
    4. Error handling
    1. Wrapping and breaking text
    2. Handling whitespace
  42. Text decoration
    1. Text shadows
    1. Using transforms
    1. CSS
  45. Values and units
    1. Value definition syntax
    2. Numeric data types
    3. Textual data types
    4. Using math functions
    5. Using typed arithmetic
  46. Writing modes
    1. Introduction
    2. Vertical form controls
  47. How to
  48. Layout cookbook
    1. Media objects
    2. Column layouts
    3. Center an element
    4. Sticky footers
    6. Breadcrumb Navigation
    7. List group with badges
    8. Pagination
    9. Card
    10. Grid wrapper
    11. Contribute a recipe
      1. Cookbook template
    1. (border-image)
    2. (border-radius)
    3. (box-shadow)
    5. Color mixer
    6. Shape generator
  51. CSS
  52. Properties
    1. -moz-*
      1. -moz-float-edge
      2. -moz-force-broken-image-icon
      3. -moz-orient
      4. -moz-user-focus
      5. -moz-user-input
    2. -webkit-*
      1. -webkit-border-before
      2. -webkit-box-reflect
      3. -webkit-mask-box-image
      4. -webkit-mask-composite
      5. -webkit-mask-position-x
      6. -webkit-mask-position-y
      7. -webkit-mask-repeat-x
      8. -webkit-mask-repeat-y
      9. -webkit-tap-highlight-color
      10. -webkit-text-fill-color
      11. -webkit-text-security
      12. -webkit-text-stroke
      13. -webkit-text-stroke-color
      14. -webkit-text-stroke-width
      15. -webkit-touch-callout
    3. (--*): CSS
    4. accent-color
    5. align-*
      1. align-content
      2. align-items
      3. align-self
    6. alignment-baseline
    7. all
    8. anchor-name
    9. anchor-scope
    10. animation-*
      1. animation-composition
      2. animation-delay
      3. animation-direction
      4. animation-duration
      5. animation-fill-mode
      6. animation-iteration-count
      7. animation-name
      8. animation-play-state
      9. animation-range
      10. animation-range-end
      11. animation-range-start
      12. animation-timeline
      13. animation-timing-function
    11. animation
    12. appearance (-moz-appearance, -webkit-appearance)
    13. aspect-ratio
    14. backdrop-filter
    15. backface-visibility
    16. background-*
      1. background-attachment
      2. background-blend-mode
      3. background-clip
      4. background-color
      5. background-image
      6. background-origin
      7. background-position
      8. background-position-x
      9. background-position-y
      10. background-repeat
      11. background-repeat-x
      12. background-repeat-y
      13. background-size
    17. background
    18. baseline-shift
    19. baseline-source
    20. block-size
    21. border-*
      1. border-block
      2. border-block-color
      3. border-block-end
      4. border-block-end-color
      5. border-block-end-style
      6. border-block-end-width
      7. border-block-start
      8. border-block-start-color
      9. border-block-start-style
      10. border-block-start-width
      11. border-block-style
      12. border-block-width
      13. border-bottom
      14. border-bottom-color
      15. border-bottom-left-radius
      16. border-bottom-right-radius
      17. border-bottom-style
      18. border-bottom-width
      19. border-collapse
      20. border-color
      21. border-end-end-radius
      22. border-end-start-radius
      23. border-image
      24. border-image-outset
      25. border-image-repeat
      26. border-image-slice
      27. border-image-source
      28. border-image-width
      29. border-inline
      30. border-inline-color
      31. border-inline-end
      32. border-inline-end-color
      33. border-inline-end-style
      34. border-inline-end-width
      35. border-inline-start
      36. border-inline-start-color
      37. border-inline-start-style
      38. border-inline-start-width
      39. border-inline-style
      40. border-inline-width
      41. border-left
      42. border-left-color
      43. border-left-style
      44. border-left-width
      45. border-radius
      46. border-right
      47. border-right-color
      48. border-right-style
      49. border-right-width
      50. border-shape
      51. border-spacing
      52. border-start-end-radius
      53. border-start-start-radius
      54. border-style
      55. border-top
      56. border-top-color
      57. border-top-left-radius
      58. border-top-right-radius
      59. border-top-style
      60. border-top-width
      61. border-width
    22. border
    23. bottom
    24. box-*
      1. box-align
      2. box-decoration-break
      3. box-direction
      4. box-flex
      5. box-flex-group
      6. box-lines
      7. box-ordinal-group
      8. box-orient
      9. box-pack
      10. box-shadow
      11. box-sizing
    25. break-*
      1. break-after
      2. break-before
      3. break-inside
    26. caption-side
    27. caret-*
      1. caret-animation
      2. caret-color
      3. caret-shape
    28. caret
    29. clear
    30. clip-path
    31. clip-rule
    32. clip
    33. color-*
      1. color-interpolation
      2. color-interpolation-filters
      3. color-scheme
    34. color
    35. column-*
      1. column-count
      2. column-fill
      3. column-gap
      4. column-height
      5. column-rule
      6. column-rule-break
      7. column-rule-color
      8. column-rule-style
      9. column-rule-visibility-items
      10. column-rule-width
      11. column-span
      12. column-width
      13. column-wrap
    36. columns
    37. contain-*
      1. contain-intrinsic-block-size
      2. contain-intrinsic-height
      3. contain-intrinsic-inline-size
      4. contain-intrinsic-size
      5. contain-intrinsic-width
    38. contain
    39. container-name
    40. container-type
    41. container
    42. content-visibility
    43. content
    44. corner-*
      1. corner-block-end-shape
      2. corner-block-start-shape
      3. corner-bottom-left-shape
      4. corner-bottom-right-shape
      5. corner-bottom-shape
      6. corner-end-end-shape
      7. corner-end-start-shape
      8. corner-inline-end-shape
      9. corner-inline-start-shape
      10. corner-left-shape
      11. corner-right-shape
      12. corner-shape
      13. corner-start-end-shape
      14. corner-start-start-shape
      15. corner-top-left-shape
      16. corner-top-right-shape
      17. corner-top-shape
    45. counter-*
      1. counter-increment
      2. counter-reset
      3. counter-set
    47. cx
    48. cy
    49. d
    50. direction
    51. display
    52. dominant-baseline
    53. dynamic-range-limit
    54. empty-cells
    55. field-sizing
    56. fill-opacity
    57. fill-rule
    58. fill
    59. filter
    60. flex-*
      1. flex-basis
      2. flex-direction
      3. flex-flow
      4. flex-grow
      5. flex-line-count
      6. flex-shrink
      7. flex-wrap
    61. flex
    62. float
    63. flood-color
    64. flood-opacity
    65. font-*
      1. font-family
      2. font-feature-settings
      3. font-kerning
      4. font-language-override
      5. font-optical-sizing
      6. font-palette
      7. font-size
      8. font-size-adjust
      9. font-smooth
      10. font-stretch
      11. font-style
      12. font-synthesis
      13. font-synthesis-position
      14. font-synthesis-small-caps
      15. font-synthesis-style
      16. font-synthesis-weight
      17. font-variant
      18. font-variant-alternates
      19. font-variant-caps
      20. font-variant-east-asian
      21. font-variant-emoji
      22. font-variant-ligatures
      23. font-variant-numeric
      24. font-variant-position
      25. font-variation-settings
      26. font-weight
      27. font-width
    66. font
    67. forced-color-adjust
    68. frame-sizing
    69. gap (grid-gap)
    70. grid-*
      1. grid-area
      2. grid-auto-columns
      3. grid-auto-flow
      4. grid-auto-rows
      5. grid-column
      6. grid-column-end
      7. grid-column-start
      8. grid-row
      9. grid-row-end
      10. grid-row-start
      11. grid-template
      12. grid-template-areas
      13. grid-template-columns
      14. grid-template-rows
    71. grid
    72. hanging-punctuation
    73. height
    74. hyphenate-character
    75. hyphenate-limit-chars
    76. hyphens
    77. image-*
      1. image-orientation
      2. image-rendering
      3. image-resolution
    78. initial-letter
    79. inline-size
    80. inset-*
      1. inset-block
      2. inset-block-end
      3. inset-block-start
      4. inset-inline
      5. inset-inline-end
      6. inset-inline-start
    81. inset
    82. interactivity
    83. interest-*
      1. interest-delay
      2. interest-delay-end
      3. interest-delay-start
    84. interpolate-size
    85. isolation
    86. justify-*
      1. justify-content
      2. justify-items
      3. justify-self
    87. left
    88. letter-spacing
    89. lighting-color
    90. line-*
      1. line-break
      2. line-clamp
      3. line-height
      4. line-height-step
    91. link-parameters
    92. list-*
      1. list-style
      2. list-style-image
      3. list-style-position
      4. list-style-type
    93. margin-*
      1. margin-block
      2. margin-block-end
      3. margin-block-start
      4. margin-bottom
      5. margin-inline
      6. margin-inline-end
      7. margin-inline-start
      8. margin-left
      9. margin-right
      10. margin-top
      11. margin-trim
    94. margin
    95. marker-*
      1. marker-end
      2. marker-mid
      3. marker-start
    96. marker
    97. mask-*
      1. mask-border
      2. mask-border-mode
      3. mask-border-outset
      4. mask-border-repeat
      5. mask-border-slice
      6. mask-border-source
      7. mask-border-width
      8. mask-clip
      9. mask-composite
      10. mask-image
      11. mask-mode
      12. mask-origin
      13. mask-position
      14. mask-repeat
      15. mask-size
      16. mask-type
    98. mask
    99. math-*
      1. math-depth
      2. math-shift
      3. math-style
    100. max-*
      1. max-block-size
      2. max-height
      3. max-inline-size
      4. max-width
    101. min-*
      1. min-block-size
      2. min-height
      3. min-inline-size
      4. min-width
    102. mix-blend-mode
    103. object-*
      1. object-fit
      2. object-position
      3. object-view-box
    104. offset-*
      1. offset-anchor
      2. offset-distance
      3. offset-path
      4. offset-position
      5. offset-rotate
    105. offset
    106. opacity
    107. order
    108. orphans
    109. outline-*
      1. outline-color
      2. outline-offset
      3. outline-style
      4. outline-width
    110. outline
    111. overflow-*
      1. overflow-anchor
      2. overflow-block
      3. overflow-clip-margin
      4. overflow-inline
      5. overflow-wrap
      6. overflow-x
      7. overflow-y
    112. overflow
    113. overlay
    114. overscroll-*
      1. overscroll-behavior
      2. overscroll-behavior-block
      3. overscroll-behavior-inline
      4. overscroll-behavior-x
      5. overscroll-behavior-y
    115. padding-*
      1. padding-block
      2. padding-block-end
      3. padding-block-start
      4. padding-bottom
      5. padding-inline
      6. padding-inline-end
      7. padding-inline-start
      8. padding-left
      9. padding-right
      10. padding-top
    116. padding
    117. page-*
      1. page-break-after
      2. page-break-before
      3. page-break-inside
    118. page
    119. paint-order
    120. path-length
    121. perspective-origin
    122. perspective
    123. place-*
      1. place-content
      2. place-items
      3. place-self
    124. pointer-events
    125. position-*
      1. position-anchor
      2. position-area
      3. position-try
      4. position-try-fallbacks
      5. position-try-order
      6. position-visibility
    126. position
    127. print-color-adjust
    128. quotes
    129. r
    130. reading-flow
    131. reading-order
    132. resize
    133. right
    134. rotate
    135. row-*
      1. row-gap
      2. row-rule
      3. row-rule-break
      4. row-rule-color
      5. row-rule-style
      6. row-rule-visibility-items
      7. row-rule-width
    136. ruby-*
      1. ruby-align
      2. ruby-overhang
      3. ruby-position
    137. rule-*
      1. rule-break
      2. rule-color
      3. rule-style
      4. rule-visibility-items
      5. rule-width
    138. rule
    139. rx
    140. ry
    141. scale
    142. scroll-*
      1. scroll-behavior
      2. scroll-initial-target
      3. scroll-margin
      4. scroll-margin-block
      5. scroll-margin-block-end
      6. scroll-margin-block-start
      7. scroll-margin-bottom
      8. scroll-margin-inline
      9. scroll-margin-inline-end
      10. scroll-margin-inline-start
      11. scroll-margin-left
      12. scroll-margin-right
      13. scroll-margin-top
      14. scroll-marker-group
      15. scroll-padding
      16. scroll-padding-block
      17. scroll-padding-block-end
      18. scroll-padding-block-start
      19. scroll-padding-bottom
      20. scroll-padding-inline
      21. scroll-padding-inline-end
      22. scroll-padding-inline-start
      23. scroll-padding-left
      24. scroll-padding-right
      25. scroll-padding-top
      26. scroll-snap-align
      27. scroll-snap-stop
      28. scroll-snap-type
      29. scroll-target-group
      30. scroll-timeline
      31. scroll-timeline-axis
      32. scroll-timeline-name
    143. scrollbar-*
      1. scrollbar-color
      2. scrollbar-gutter
      3. scrollbar-width
    144. shape-*
      1. shape-image-threshold
      2. shape-margin
      3. shape-outside
      4. shape-rendering
    145. speak-as
    146. stop-color
    147. stop-opacity
    148. stroke-*
      1. stroke-dasharray
      2. stroke-dashoffset
      3. stroke-linecap
      4. stroke-linejoin
      5. stroke-miterlimit
      6. stroke-opacity
      7. stroke-width
    149. stroke
    150. tab-size
    151. table-layout
    152. text-*
      1. text-align
      2. text-align-last
      3. text-anchor
      4. text-autospace
      5. text-box
      6. text-box-edge
      7. text-box-trim
      8. text-combine-upright
      9. text-decoration
      10. text-decoration-color
      11. text-decoration-inset
      12. text-decoration-line
      13. text-decoration-skip
      14. text-decoration-skip-ink
      15. text-decoration-style
      16. text-decoration-thickness
      17. text-emphasis
      18. text-emphasis-color
      19. text-emphasis-position
      20. text-emphasis-style
      21. text-indent
      22. text-justify
      23. text-orientation
      24. text-overflow
      25. text-rendering
      26. text-shadow
      27. text-size-adjust
      28. text-spacing-trim
      29. text-transform
      30. text-underline-offset
      31. text-underline-position
      32. text-wrap
      33. text-wrap-mode
      34. text-wrap-style
    153. timeline-scope
    154. top
    155. touch-action
    156. transform-*
      1. transform-box
      2. transform-origin
      3. transform-style
    157. transform
    158. transition-*
      1. transition-behavior
      2. transition-delay
      3. transition-duration
      4. transition-property
      5. transition-timing-function
    159. transition
    160. translate
    161. unicode-bidi
    162. user-modify
    163. user-select
    164. vector-effect
    165. vertical-align
    166. view-*
      1. view-timeline
      2. view-timeline-axis
      3. view-timeline-inset
      4. view-timeline-name
      5. view-transition-class
      6. view-transition-name
      7. view-transition-scope
    167. visibility
    168. white-space
    169. white-space-collapse
    170. widows
    171. width
    172. will-change
    173. word-break
    174. word-spacing
    175. writing-mode
    176. x
    177. y
    178. z-index
    179. zoom
  53. Selectors
    1. & nesting selector
    4. ID
    5. Keyframe selectors
    6. Namespace separator
  54. Combinators
  55. Pseudo-classes
    1. :-moz-*
      1. :-moz-broken
      2. :-moz-drag-over
      3. :-moz-first-node
      4. :-moz-handler-blocked
      5. :-moz-handler-crashed
      6. :-moz-handler-disabled
      7. :-moz-last-node
      8. :-moz-loading
      9. :-moz-locale-dir(ltr)
      10. :-moz-locale-dir(rtl)
      11. :blank
      12. :-moz-submit-invalid
      13. :-moz-suppressed
      14. :-moz-user-disabled
      15. :-moz-window-inactive
    2. :active-view-transition
    3. :active-view-transition-type()
    4. :active
    5. :any-link
    6. :autofill
    7. :blank
    8. :buffering
    9. :checked
    10. :current
    11. :default
    12. :defined
    13. :dir()
    14. :disabled
    15. :empty
    16. :enabled
    17. :first-child
    18. :first-of-type
    19. :first
    20. :focus-visible
    21. :focus-within
    22. :focus
    23. :fullscreen
    24. :future
    25. :has-slotted
    26. :has()
    27. :heading
    28. :heading()
    29. :host-context()
    30. :host
    31. :host
    32. :hover
    33. :in-range
    34. :indeterminate
    35. :interest-source
    36. :interest-target
    37. :invalid
    38. :is()
    39. :lang()
    40. :last-child
    41. :last-of-type
    42. :left
    43. :link
    44. :local-link
    45. :modal
    46. :muted
    47. :not()
    48. :nth-*
      1. :nth-child
      2. :nth-last-child
      3. :nth-last-of-type()
      4. :nth-of-type()
    49. :only-child
    50. :only-of-type
    51. :open
    52. :optional
    53. :out-of-range
    54. :past
    55. :paused
    56. :picture-in-picture
    57. :placeholder-shown
    58. :playing
    59. :popover-open
    60. :read-only
    61. :read-write
    62. :required
    63. :right
    64. :root
    65. :scope
    66. :seeking
    67. :stalled
    68. :state()
    69. :target-*
      1. :target-after
      2. :target-before
      3. :target-current
    70. :target
    71. :user-invalid
    72. :user-valid
    73. :valid
    74. :visited
    75. :volume-locked
    76. :where()
    77. :xr-overlay
  56. Pseudo-elements
    1. ::-moz-*
      1. ::-moz-color-swatch
      2. ::-moz-focus-inner
      3. ::-moz-list-bullet
      4. ::-moz-list-number
      5. ::-moz-meter-bar
      6. ::-moz-progress-bar
      7. ::-moz-range-progress
      8. ::-moz-range-thumb
      9. ::-moz-range-track
    2. ::-webkit-*
      1. ::-webkit-inner-spin-button
      2. ::-webkit-meter-bar
      3. ::-webkit-meter-even-less-good-value
      4. ::-webkit-meter-inner-element
      5. ::-webkit-meter-optimum-value
      6. ::-webkit-meter-suboptimum-value
      7. ::-webkit-progress-bar
      8. ::-webkit-progress-inner-element
      9. ::-webkit-progress-value
      10. ::-webkit-scrollbar
      11. ::-webkit-search-cancel-button
      12. ::-webkit-search-results-button
      13. ::-webkit-slider-runnable-track
      14. ::-webkit-slider-thumb
    3. ::after
    4. ::backdrop
    5. ::before
    6. ::checkmark
    7. ::column
    8. ::cue
    9. ::details-content
    10. ::file-selector-button
    11. ::first-letter
    12. ::first-line
    13. ::grammar-error
    14. ::highlight()
    15. ::marker
    16. ::part()
    17. ::picker-icon
    18. ::picker()
    19. ::placeholder
    20. ::scroll-*
      1. ::scroll-button()
      2. ::scroll-marker
      3. ::scroll-marker-group
    21. ::search-text
    22. ::selection
    23. ::slotted()
    24. ::spelling-error
    25. ::target-text
    26. ::view-*
      1. ::view-transition
      2. ::view-transition-group()
      3. ::view-transition-image-pair()
      4. ::view-transition-new()
      5. ::view-transition-old()
  57. At-rules
    1. @charset
    2. @color-profile
    3. @container
    4. @counter-style
      1. additive-symbols
      2. fallback
      3. negative
      4. pad
      5. prefix
      6. range
      7. speak-as
      8. suffix
      9. symbols
      10. system
    5. @custom-media
    6. @document
    7. @font-face
      1. ascent-override
      2. descent-override
      3. font-display
      4. font-family
      5. font-feature-settings
      6. font-stretch
      7. font-style
      8. font-variation-settings
      9. font-weight
      10. font-width
      11. line-gap-override
      12. size-adjust
      13. src
      14. unicode-range
    8. @font-feature-values
      1. font-display
    9. @font-palette-values
      1. base-palette
      2. font-family
      3. override-colors
    10. @function
    11. @import
    12. @keyframes
    13. @layer
    14. @media
      1. -moz-device-pixel-ratio
      2. -webkit-animation
      3. -webkit-device-pixel-ratio
      4. -webkit-transform-2d
      5. -webkit-transform-3d
      6. -webkit-transition
      7. any-hover
      8. any-pointer
      9. aspect-ratio
      10. color
      11. color-gamut
      12. color-index
      13. device-aspect-ratio
      14. device-height
      15. device-posture
      16. device-width
      17. display-mode
      18. dynamic-range
      19. forced-colors
      20. grid
      21. height
      22. horizontal-viewport-segments
      23. hover
      24. inverted-colors
      25. monochrome
      27. overflow-block
      28. overflow-inline
      29. pointer
      30. prefers-color-scheme
      31. prefers-contrast
      32. prefers-reduced-data
      33. prefers-reduced-motion
      34. prefers-reduced-transparency
      35. resolution
      36. scan
      37. scripting
      38. shape
      39. update
      40. vertical-viewport-segments
      41. video-dynamic-range
      42. width
    15. @namespace
    16. @page
      1. page-orientation
      2. size
    17. @position-try
    18. @property
      1. inherits
      2. initial-value
      3. syntax
    19. @scope
    20. @starting-style
    21. @supports
    22. @view-transition
  58. Values
    1. !important
    2. fit-content
    3. inherit
    4. initial
    5. max-content
    6. min-content
    7. revert
    8. revert-layer
    9. revert-rule
    10. unset
  59. Types
    1. <absolute-size>
    2. <alpha-value>
    3. <angle-percentage>
    4. <angle>
    5. <axis>
    6. <baseline-position>
    7. <basic-shape>
    8. <blend-mode>
    9. <box-edge>
    10. <calc-keyword>
    11. <calc-sum>
    12. <color-interpolation-method>
    13. <color>
    14. <content-distribution>
    15. <content-position>
    16. <corner-shape-value>
    17. <custom-ident>
    18. <dashed-function>
    19. <dashed-ident>
    20. <dimension>
    21. <display-box>
    22. <display-inside>
    23. <display-internal>
    24. <display-legacy>
    25. <display-listitem>
    26. <display-outside>
    27. <easing-function>
    28. <filter-function>
    29. <flex>
    30. <frequency-percentage>
    31. <frequency>
    32. <generic-family>
    33. <gradient>
    34. <hex-color>
    35. <hue-interpolation-method>
    36. <hue>
    37. <ident>
    38. <image>
    39. <integer>
    40. <length-percentage>
    41. <length>
    42. <line-style>
    43. <line-width>
    44. <named-color>
    45. <number>
    46. <overflow-position>
    47. <overflow>
    48. <percentage>
    49. <position-area>
    50. <position>
    51. <ratio>
    52. <relative-size>
    53. <resolution>
    54. <rule-list>
    55. <self-position>
    56. <shape>
    57. <string>
    58. <system-color>
    59. <text-edge>
    60. <time-percentage>
    61. <time>
    62. <timeline-range-name>
    63. <transform-function>
    64. <url>
  60. Functions
    1. -moz-image-rect()
    2. abs()
    3. acos()
    4. alpha()
    5. anchor-size()
    6. anchor()
    7. asin()
    8. atan()
    9. atan2()
    10. attr
    11. blur()
    12. brightness()
    13. calc-size()
    14. calc()
    15. circle()
    16. clamp()
    17. color-mix()
    18. color()
    19. conic-gradient()
    20. contrast-color()
    21. contrast()
    22. cos()
    23. counter()
    24. counters()
    25. cross-fade()
    26. cubic-bezier()
    27. device-cmyk()
    28. drop-shadow()
    29. dynamic-range-limit-mix()
    30. element()
    31. ellipse()
    32. env()
    33. exp()
    34. fit-content()
    35. grayscale()
    36. hsl()
    37. hue-rotate()
    38. hwb()
    39. hypot()
    40. if()
    41. image-set()
    42. image()
    43. inset()
    44. invert()
    45. lab()
    46. lch()
    47. light-dark()
    48. linear-gradient()
    49. linear()
    50. log()
    51. matrix()
    52. matrix3d()
    53. max()
    54. min()
    55. minmax()
    56. mod()
    57. oklab()
    58. oklch()
    59. opacity()
    60. paint()
    61. param()
    62. path()
    63. perspective()
    64. polygon()
    65. pow()
    66. progress()
    67. radial-gradient()
    68. random()
    69. ray()
    70. rect()
    71. rem()
    72. repeat()
    73. repeating-conic-gradient()
    74. repeating-linear-gradient()
    75. repeating-radial-gradient()
    76. rgb()
    77. rotate()
    78. rotate3d()
    79. rotateX()
    80. rotateY()
    81. rotateZ()
    82. round()
    83. saturate()
    84. scale()
    85. scale3d()
    86. scaleX()
    87. scaleY()
    88. scaleZ()
    89. sepia()
    90. shape()
    91. sibling-count()
    92. sibling-index()
    93. sign()
    94. sin()
    95. skew()
    96. skewX()
    97. skewY()
    98. sqrt()
    99. steps()
    100. superellipse()
    101. symbols()
    102. tan()
    103. translate()
    104. translate3d()
    105. translateX()
    106. translateY()
    107. translateZ()
    108. type()
    109. url()
    110. var()
    111. xywh()
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