CSS Positioned Layout is a module of CSS that defines how to position elements on the page.
Presents the notion of stacking context and explains how z-ordering works, with several examples.
| 规范 | 状态 | 注释 |
|---|---|---|
| CSS Positioned Layout Module Level 3 | 工作草案 | |
| CSS Level 2 (Revision 1) | 推荐 |