*CSS 及び派生規格の [CODE(CSS)[@]] 規則
[1]
,@ 規則名,説明,状態,出典
,[CODE(CSS)@en[@[[bottom]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[bottom-center]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[bottom-left]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[bottom-left-corner]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[bottom-right]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[bottom-right-corner]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)[@[[character-class]]]] ([CODE(MIME)[[[text/jss]]]]),文字クラス,[[JIS]],"[[JIS X 4052]]"
,[CODE(CSS)[@[[charset]]]]   ,[[charset]]    ,W3C 勧告,[[CSS 2]]
,[CODE(CSS)@en[@[[color-profile]]]],[[色プロファイル]],[[W3C]] [[勧告]],"[SVG1.0], [SVG1.1], [CSS3 Color]"
,[CODE(CSS)[@[[-moz-document]]]],文書の URI 参照,,[[Gecko]]
,[CODE(CSS)[@[[font-face]]]] ,[[フォント]]   ,W3C 勧告,"[[CSS 2]], [[JIS X 4052]]"
,[CODE(CSS)[@[[fontdef]]]]   ,[[フォント]]   ,非標準,"[[NC]]4"
,[CODE(CSS)@en[@[[left-bottom]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[left-middle]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[left-top]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)[@[[list]]]]      ,list marker    ,非標準,[[Microsoft Office]]
,[CODE(CSS)[@[[media]]]]     ,対象[[媒体]]   ,W3C 勧告,[[CSS 2]]
,[CODE(CSS)@en[@[[page]]]]      ,[[頁]]         ,"[[W3C]] [[勧告]], [[JIS]] [[標準]]","[CSS2], [CSS2.1], [JIS X 4052], [CSS3 Paged]"
,[CODE(CSS)@en[@[[page-float]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
- [CODE(CSS)@en[[[@preference]]]]
,[CODE(CSS)@en[@[[right-bottom]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[right-middle]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[right-top]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)[@[[tcol]]]]  ([CODE(MIME)[[[text/jss]]]]),段             ,[[JIS]],[[JIS X 4052]]
,[CODE(CSS)[@[[textbox]]]]  ([CODE(MIME)[[[text/jss]]]]),版面           ,[[JIS]],[[JIS X 4052]]
,[CODE(CSS)@en[@[[top]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[top-center]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[top-left]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[top-left-corner]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[top-right]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)@en[@[[top-right-corner]]]],,[[W3C]] [[勧告候補]],[CSS3 Paged]
,[CODE(CSS)[@[[viewport]]]],閲覧領域,ATSC 規格,[ACAP]
,[CODE(CSS)@en[@[[-webkit-rule]]]]
,[CODE(CSS)@en[@[[-webkit-value]]]]
,[CODE(CSS)@en[@[[-webkit-decls]]]]
,[CODE(CSS)@en[@[[-webkit-mediaquery]]]]


- [ACAP] 
[CITE[ATSC Candidate Standard: Advanced Common Application Platform (ACAP)]] 
<http://www.atsc.org/standards/T3S2-006r8.pdf>

* 歴史

[REFS[
- [4] [CITE[Cascading Style Sheets: a draft specification]] ([TIME[1995-07-05 16:06:10 +09:00]] 版) <http://www.w3.org/Style/CSS/draft2.html#environtment>
]REFS]

*メモ


[2] [CITE[IRC logs: freenode / #whatwg / 20101027]]
( ([TIME[2010-11-07 22:11:56 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20101027>

[3] [CITE@en[CSS Conditional Rules Module Level 3]]
( ([TIME[2011-08-31 02:11:24 +09:00]] 版))
<http://www.w3.org/TR/2011/WD-css3-conditional-20110901/>

[5] [CITE[Cascading Style Sheets: a draft specification]]
( ([TIME[1995-08-11 17:13:22 +09:00]] 版))
<http://www.w3.org/Style/CSS/draft3.html#environtment>