Opera

CSS AT-rules support in Opera Presto 2.2

At-rules start with an at-keyword, an "@" character, and followed immediately by an identifier (for example, @import, @page). An at-rule consists of everything up to and including the next semicolon (;) or the next block, whichever comes first.

See these Web pages for further reference:

• W3C CSS AT-rules
• W3C Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Syntax and basic data types
• W3C Introduction to CSS3

The following table defines which CSS AT-rules are supported by Opera.

CSS AT-rules support in Opera Presto 2.2

At-rule	Level	Support
@charset	CSS 2	Yes
@font-face	CSS 3	Yes
@import	CSS 1	Yes
@media	CSS 2	Yes
@namespace	CSS 3	Yes
@page	CSS 2	Yes
@phonetic-alphabet	CSS 3	No