CSS Selectors support in Opera Presto 2.1.1

There are three levels of CSS, CSS level 1, 2, and 3. CSS level 2 has a revision under development, referred to as "CSS level 2, revision 1" or "CSS 2.1" for short. CSS level 3 modules are in different stages of development; for example the Selectors module is in Last Call.

WCSS is an acronym for Wireless CSS, a subset of CSS with some extensions with a "-wap-" prefix.

When level is set to "CSS 1/2" ("CSS 1/2.1"), the property was introduced with CSS Level 1, and extended with CSS Level 2 (revision 1).

Opera does not support the list style types cjk-ideographic, hebrew, hiragana, hiragana-iroha, katakana, katakana-iroha. Neither are markers, visibility: collapse, or text-align: string supported.

Opera supports the CSS3 Speech Module. These properties are marked with CSS3 in the table. Aural CSS properties from CSS2 that are not part of CSS3 Speech are not supported. All the new properties introduced in CSS3 Speech are currently prefixed with '-xv-' in Opera's implementation. Once the CSS3 Speech module reaches W3C Candidate Recommendation status, we will add support for the property names as defined in the specification (i.e. without the prefix). CSS3 Speech properties that were already defined in CSS2 Aural are supported as defined in the specification.

CSS Selectors support in Opera Presto 2.1.1
Selector Level WCSS Support
Adjacent Sibling selector (E1 + E2) CSS 2 No Yes
Attribute and attribute selectors [att] [att=val] [att~=val] [att|=val] CSS 2 No Yes
Attribute selectors with namespace (|attr) CSS 3 No Yes
Attribute start selector [att^=val] CSS 3 No Yes
Attribute end selector [att$=val] CSS 3 No Yes
Attribute contains selector [att*=val] CSS 3 No Yes
Child selector ( > ) CSS 2 No Yes
Class selectors ( . ) CSS 1 Yes Yes
Descendant selectors (   ) CSS 1 Yes Yes
ID selectors ( # ) CSS 1 Yes Yes
Universal Selector ( * ) CSS 2 Yes Yes
Type selectors ( h1 ) CSS 1 Yes Yes
Type selectors with namespace ( ns|E ) CSS 3 Yes Yes
Negation pseudo-class :not() CSS 3 No Yes
:active CSS 1/2 Optional Yes
::after, :after CSS 2 No Yes
::before, :before CSS 2 No Yes
:checked CSS 3 No Yes
:default CSS 3 No Yes
:disabled CSS 3 No Yes
:empty CSS 3 No Yes
:enabled CSS 3 No Yes
:first CSS 3 No Yes
:first-child CSS 2 No Yes
::first-letter, :first-letter CSS 1 No Yes
::first-line, :first-line CSS 1 No Yes
:first-of-type CSS 3 No Yes
:focus CSS 2 Optional Yes
:hover CSS 2 No Yes
:in-range CSS 3 No Yes
:invalid CSS 3 No Yes
:lang() CSS 2 No Yes
:left CSS 3 No Yes
:link CSS 1/2 Optional Yes
:last-child CSS 3 No Yes
:last-of-type CSS 3 No Yes
:nth-child() CSS 3 No Yes
:nth-last-child() CSS 3 No Yes
:nth-of-type() CSS 3 No Yes
:nth-last-of-type() CSS 3 No Yes
:only-child CSS 3 No Yes
:only-of-type CSS 3 No Yes
:optional CSS 3 No Yes
:out-of-range CSS 3 No Yes
:read-only CSS 3 No Yes
:read-write CSS 3 No Yes
:required CSS 3 No Yes
:right CSS 3 No Yes
:root CSS 3 No Yes
::selection CSS 3 No Yes
:target CSS 3 No Yes
:valid CSS 3 No Yes
:visited CSS 1/2 Optional Yes

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