| Main Index | Property Index | CSS Support History | Browser History |
Syntax | Units | Fonts | Text | Colors/Backgrounds | Scrollbars | Outlines | Lists Tables | Classification | Dimensions | Positioning | Margins | Padding | Borders Dynamic Content | Generated Content | International | Printing | Aural | Extensions |
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| CSS | Browsers | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Syntax | Specific Syntax | 1.0 | 2.0 | IExplorer | Netscape | Opera | ||||
| Inclusion Methods | X | X | 3.0 | 4.0B2 | 3.5 | |||||
| External Style Sheets | X | X | 3.0 | 4.0B2 | 3.5 | |||||
| Embedded Style Sheets | X | X | 3.0 | 4.0B2 | 3.5 | |||||
| Inline Style Sheets | X | X | 3.0 | 4.0B3 | 3.5 | |||||
| @Rules | X | X | 4.0 | 4.0 | 3.5 | |||||
| @charset | -- | X | 5.5 | 6.0 | ?? | |||||
| @import | X | X | 4.0 | 6.0 | 3.5 | |||||
| @media | -- | X | 4.0 | 6.0 | 3.5 | |||||
| @namespace | -- | -- | -- | 6.0 | -- | |||||
| @page | -- | X | 5.5 | -- | 4.0 | |||||
| @fontdef | -- | -- | -- | 4.0-4.x | -- | |||||
| @font-face | -- | X | 4.0 | -- | -- | |||||
| Rule Set Syntax | X | X | 3.0 | 4.0 | 3.5 | |||||
| Selector Grouping | X | X | 3.0 | 4.0 | 3.5 | |||||
| Declaration Grouping | X | X | 3.0 | 4.0 | 3.5 | |||||
| Declaration Shorthands | X | X | 3.0 | 4.0 | 3.5 | |||||
| Selectors | X | X | 3.0 | 4.0 | 3.5 | |||||
| Element - Namespace | -- | -- | -- | 6.0 | -- | |||||
| Element - Universal | -- | X | 5.0 | 6.0 | 4.0 | |||||
| Element - Simple | X | X | 3.0 | 4.0 | 3.5 | |||||
| Element - Descendent | X | X | 3.0 | 4.0 | 3.5 | |||||
| Element - Child | -- | X | -- | 6.0 | 3.5 | |||||
| Element - Adjacent | -- | X | -- | 6.0 | 5.0 | |||||
| Attribute - Simple | -- | X | -- | 6.0 | 4.0 | |||||
| Attribute - Value | -- | X | -- | 6.0 | 4.0 | |||||
| Attribute - Begin Value | -- | -- | -- | 6.0 | -- | |||||
| Attribute - End Value | -- | -- | -- | 6.0 | -- | |||||
| Attribute - Substring Value | -- | -- | -- | 6.0 | -- | |||||
| Attribute - One-Of-Many | -- | X | -- | 6.0 | 4.0 | |||||
| Attribute - Hyphen | -- | X | -- | -- | -- | |||||
| Attribute - Namespace | -- | -- | -- | 6.0 | -- | |||||
| HTML - Class | X | X | 3.0 | 4.0 | 3.5 | |||||
| HTML - ID | X | X | 3.0 | 4.0 | 3.5 | |||||
| Pseudo-Classes | X | X | 3.0 | 4.0 | 3.5 | |||||
| :link | X | X | 3.0 | 4.0 | 3.5 | |||||
| :visited | X | X | 3.0 | 4.0 | 3.5 | |||||
| :active | X | X | 4.0 | 6.0 | 5.0 | |||||
| :hover | -- | X | 4.0 | 6.0 | 4.0 | |||||
| :focus | -- | X | -- | 6.0 | 7.0 | |||||
| :root | -- | -- | -- | 6.0 | -- | |||||
| :empty | -- | -- | -- | 6.0 | -- | |||||
| :not | -- | -- | -- | 6.0 | -- | |||||
| :first-child | -- | X | -- | 6.0 | 7.0 | |||||
| :first-node | -- | -- | -- | 6.0 | -- | |||||
| :last-node | -- | -- | -- | 6.0 | -- | |||||
| :last-child | -- | -- | -- | 6.0 | -- | |||||
| :lang | -- | X | -- | -- | -- | |||||
| :viewport | -- | -- | -- | 6.0 | -- | |||||
| :viewport-scroll | -- | -- | -- | 6.0 | -- | |||||
| :canvas | -- | -- | -- | 6.0 | -- | |||||
| :scrolled-content | -- | -- | -- | 6.0 | -- | |||||
| :first | -- | X | -- | -- | ?? | |||||
| :left | -- | X | -- | -- | ?? | |||||
| :right | -- | X | -- | -- | ?? | |||||
| Pseudo-Elements | X | X | 5.5B1 | 6.0 | 3.5 | |||||
| :before | -- | X | -- | 6.0 | 4.0 | |||||
| :after | -- | X | -- | 6.0 | 4.0 | |||||
| :first-letter | X | X | 5.5B1 | 6.0 | 3.5 | |||||
| :first-line | X | X | 5.5B1 | 6.0 | 3.5 | |||||
| Miscellaneous Syntax | X | X | 3.0 | 4.0 | 3.5 | |||||
| Unicode Escapes | -- | X | 6.0 | 6.0 | 6.0 | |||||
| Comments | X | X | 3.0 | 4.0 | 3.5 | |||||
| !important | X | X | 4.0 | 6.0 | 3.5 | |||||