css
css
Selectors Box Model Boxes
* All elements margin x border-color x
Visible Area Margin
div

margin-top border-top-color
div * All elements within

margin-right border-right-color
div span within

margin-bottom border-bottom-color
div, span

and margin-left border-left-color
div > span with parent

padding x border-style x
div + span preceded by

padding-top border-top-style
.class Elements of class "class" padding-right border-right-style
div.class

of class "class" padding-bottom border-bottom-style
#itemid Element with id "itemid" padding-left border-left-style
div#itemid

with id "itemid" border x border-width x
a[attr] with attribute "attr" border-top x border-top-width
a[attr='x'] when "attr" is "x" border-bottom x border-right-width
Height Border Width Padding
a[class~='x'] when class is a list border-right x border-bottom-width
containing 'x' border-left x border-left-width
Positioning
a[lang|='en'] when lang begins "en"
display clear
Tables
position z-index
Pseudo-Selectors and Pseudo-Classes
top direction + caption-side + border-spacing +
:first-child First child element right unicode-bidi table-layout empty-cells +
:first-line First line of element bottom overflow border-collapse + speak-header +
:first-letter First letter of element left clip
:hover Element with mouse over float visibility
Paging
:active Active element
:focus Element with focus size page-break-inside +
Dimensions
:link Unvisited links marks page +
:visited Visited links width min-height page-break-before orphans +
:lang(var) Element with language "var" min-width max-height page-break-after widows +
:before Before element max-width vertical-align
:after After element height
Interface
cursor + outline-style
Sizes and Colours Color / Background
outline x outline-color
0 0 requires no unit color + background-repeat outline-width
Relative Sizes background x background-image
em 1em equal to font size of background-color background-position
Aural
parent (same as 100%) background-attachment
ex Height of lower case "x" volume + elevation
% Percentage speak + speech-rate
Text
Absolute Sizes pause x voice-family
px Pixels text-indent + word-spacing + pause-before pitch
Text
cm Centimeters text-align + text-transform + pause-after pitch-range
mm Millimeters text-decoration white-space + cue x stress
in Inches text-shadow line-height + cue-before richness
pt 1pt = 1/72in letter-spacing + cue-after speak-punctuation
pc 1pc = 12pt play-during speak-numeral
Colours azimuth +
Fonts
#789abc RGB Hex Notation
#acf Equates to "#aaccff" font + x font-weight +
Miscellaneous
rgb(0,25,50) Value of each of red, green, font-family + font-stretch +
and blue. 0 to 255, may be font-style + font-size + content list-style-type +
swapped for percentages. font-variant + font-size-adjust + quotes + list-style-image +
counter-reset list-style-position +
Available free from
counter-increment marker-offset
Shorthand properties are marked x
Note
Properties that inherit are marked +
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list-style + x