W3Schools offers a wide range of services and products for beginners and professionals, helping millions of people everyday to learn and master new skills. Free Tutorials Enjoy our free tutorials like millions of other internet users since 1999
![W3Schools.com](https://cdn-ak-scissors.b.st-hatena.com/image/square/fc2144c80f97a7823bdfbfd77b0ada39d9d5a5d4/height=288;version=1;width=512/https%3A%2F%2Fwww.w3schools.com%2Fimages%2Fw3schools_logo_436_2.png)
W3Schools offers a wide range of services and products for beginners and professionals, helping millions of people everyday to learn and master new skills. Free Tutorials Enjoy our free tutorials like millions of other internet users since 1999
Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification W3C Recommendation 07 June 2011, edited in place 12 April 2016 to point to new work, edited in place 07 December 2021 to correct markup. This version: http://www.w3.org/TR/2011/REC-CSS2-20110607 Latest version: http://www.w3.org/TR/CSS2 Previous versions: http://www.w3.org/TR/2011/PR-CSS2-20110412 http://www.w3.org/TR/2008/REC-CSS2-
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く