---
topics:
  azimuth: <angle> | [[ left-side | far-left | left | center-left | center | center-right | right | far-right | right-side ] behind ] | leftwards | rightwards | inherit
  background-attachment: scroll | fixed | inherit
  background-color: <color> | transparent | inherit
  background-image: <uri> | none | inherit
  background-position: [ [ <percentage> | <length> | left | center | right ] [ <percentage> | <length> | top | center | bottom ]? ] | [ [ left | center | right ] [ top | center | bottom ] ] | inherit
  background-repeat: repeat | repeat-x | repeat-y | no-repeat | inherit
  background: ['background-color' 'background-image' 'background-repeat' 'background-attachment' 'background-position'] | inherit
  border-collapse: collapse | separate | inherit
  border-color: [ <color> | transparent ](REPLACE_four) | inherit
  border-spacing: <length> <length>? | inherit
  border-style: <border-style>(REPLACE_four) | inherit
  border-top: [ <border-width> <border-style> 'border-top-color' ] | inherit
  border-right: [ <border-width> <border-style> 'border-top-color' ] | inherit
  border-bottom: [ <border-width> <border-style> 'border-top-color' ] | inherit
  border-left: [ <border-width> <border-style> 'border-top-color' ] | inherit
  border-top-color: <color> | transparent | inherit
  border-right-color: <color> | transparent | inherit
  border-bottom-color: <color> | transparent | inherit
  border-left-color: <color> | transparent | inherit
  border-top-style: <border-style> | inherit
  border-right-style: <border-style> | inherit
  border-bottom-style: <border-style> | inherit
  border-left-style: <border-style> | inherit
  border-top-width: <border-width> | inherit
  border-right-width: <border-width> | inherit
  border-bottom-width: <border-width> | inherit
  border-left-width: <border-width> | inherit
  border-width: <border-width>(REPLACE_four) | inherit
  border: [ <border-width> <border-style> 'border-top-color' ] | inherit
  bottom: <length> | <percentage> | auto | inherit
  caption-side: top | bottom | inherit
  clear: none | left | right | both | inherit
  clip: <shape> | auto | inherit
  color: <color> | inherit
  content: normal | none | [ <string> | <uri> | <counter> | attr(<identifier>) | open-quote | close-quote | no-open-quote | no-close-quote ]+ | inherit
  counter-increment: [ <identifier> <integer>? ]+ | none | inherit
  counter-reset: [ <identifier> <integer>? ]+ | none | inherit
  cue-after: <uri> | none | inherit
  cue-before: <uri> | none | inherit
  cue: [ 'cue-before' 'cue-after' ] | inherit
  cursor: [ [<uri> ,]* [ auto | crosshair | default | pointer | move | e-resize | ne-resize | nw-resize | n-resize | se-resize | sw-resize | s-resize | w-resize | text | wait | help | progress ] ] | inherit
  direction: ltr | rtl | inherit
  display: inline | block | list-item | run-in | inline-block | table | inline-table | table-row-group | table-header-group | table-footer-group | table-row | table-column-group | table-column | table-cell | table-caption | none | inherit
  elevation: <angle> | below | level | above | higher | lower | inherit
  empty-cells: show | hide | inherit
  float: left | right | none | inherit
  font-family: [[ <family-name> | <generic-family> ] [, <family-name>| <generic-family>]* ] | inherit
  font-size: <absolute-size> | <relative-size> | <length> | <percentage> | inherit
  font-style: normal | italic | oblique | inherit
  font-variant: normal | small-caps | inherit
  font-weight: normal | bold | bolder | lighter | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | inherit
  font: [ [ 'font-style' 'font-variant' 'font-weight' ]? 'font-size' [ / 'line-height' ]? 'font-family' ] | caption | icon | menu | message-box | small-caption | status-bar | inherit
  height: <length> | <percentage> | auto | inherit
  left: <length> | <percentage> | auto | inherit
  letter-spacing: normal | <length> | inherit
  line-height: normal | <number> | <length> | <percentage> | inherit
  list-style-image: <uri> | none | inherit
  list-style-position: inside | outside | inherit
  list-style-type: disc | circle | square | decimal | decimal-leading-zero | lower-roman | upper-roman | lower-greek | lower-latin | upper-latin | armenian | georgian | lower-alpha | upper-alpha | none | inherit
  list-style: [ 'list-style-type' 'list-style-position' 'list-style-image' ] | inherit
  margin-right: <margin-width> | inherit
  margin-left: <margin-width> | inherit
  margin-top: <margin-width> | inherit
  margin-bottom: <margin-width> | inherit
  margin: <margin-width>(REPLACE_four) | inherit
  max-height: <length> | <percentage> | none | inherit
  max-width: <length> | <percentage> | none | inherit
  min-height: <length> | <percentage> | inherit
  min-width: <length> | <percentage> | inherit
  orphans: <integer> | inherit
  outline-color: <color> | invert | inherit
  outline-style: <border-style> | inherit
  outline-width: <border-width> | inherit
  outline: [ 'outline-color' 'outline-style' 'outline-width' ] | inherit
  overflow: visible | hidden | scroll | auto | inherit
  padding-top: <padding-width> | inherit
  padding-right: <padding-width> | inherit
  padding-bottom: <padding-width> | inherit
  padding-left: <padding-width> | inherit
  padding: <padding-width>(REPLACE_four) | inherit
  page-break-after: auto | always | avoid | left | right | inherit
  page-break-before: auto | always | avoid | left | right | inherit
  page-break-inside: avoid | auto | inherit
  pause-after: <time> | <percentage> | inherit
  pause-before: <time> | <percentage> | inherit
  pause: [ [<time> | <percentage>]{1,2} ] | inherit
  pitch-range: <number> | inherit
  pitch: <frequency> | x-low | low | medium | high | x-high | inherit
  play-during: <uri> [ mix repeat ]? | auto | none | inherit
  position: static | relative | absolute | fixed | inherit
  quotes: [<string> <string>]+ | none | inherit
  richness: <number> | inherit
  right: <length> | <percentage> | auto | inherit
  speak-header: once | always | inherit
  speak-numeral: digits | continuous | inherit
  speak-punctuation: code | none | inherit
  speak: normal | none | spell-out | inherit
  speech-rate: <number> | x-slow | slow | medium | fast | x-fast | faster | slower | inherit
  stress: <number> | inherit
  table-layout: auto | fixed | inherit
  text-align: left | right | center | justify | inherit
  text-decoration: none | [ underline overline line-through blink ] | inherit
  text-indent: <length> | <percentage> | inherit
  text-transform: capitalize | uppercase | lowercase | none | inherit
  top: <length> | <percentage> | auto | inherit
  unicode-bidi: normal | embed | bidi-override | inherit
  vertical-align: baseline | sub | super | top | text-top | middle | bottom | text-bottom | <percentage> | <length> | inherit
  visibility: visible | hidden | collapse | inherit
  voice-family: [[<specific-voice> | <generic-voice> ],]* [<specific-voice> | <generic-voice> ] | inherit
  volume: <number> | <percentage> | silent | x-soft | soft | medium | loud | x-loud | inherit
  white-space: normal | pre | nowrap | pre-wrap | pre-line | inherit
  widows: <integer> | inherit
  width: <length> | <percentage> | auto | inherit
  word-spacing: normal | <length> | inherit
  z-index: auto | <integer> | inherit
replace:
  four: 4 values corresponding to: top right bottom left
  content_model: (see also content -> padding -> border -> margin)