File: fixed-pos-stacking-001-ref.xht

package info (click to toggle)
firefox-esr 115.14.0esr-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 3,659,200 kB
  • sloc: cpp: 6,676,648; javascript: 5,690,850; ansic: 3,328,545; python: 1,120,605; asm: 397,163; xml: 180,531; java: 178,838; sh: 68,930; makefile: 20,999; perl: 12,595; objc: 12,561; yacc: 4,583; cs: 3,846; pascal: 2,840; lex: 1,720; ruby: 1,079; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 54; csh: 10
file content (38 lines) | stat: -rw-r--r-- 1,096 bytes parent folder | download | duplicates (32) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>CSS Reference File</title>
    <link rel="author" title="Bert Bos" href="mailto:bert@w3.org" />

    <style type="text/css">
      div {width: 5em; height: 2em}

      /* absolute with 'z-index: auto' does not create a stacking context */
      #absolute {position: absolute; left: 1em; top: 3em; background: green}
      #absolute div {position: absolute}
      #absolute div div {position: absolute; z-index: -1; background: green}

      /* fixed with 'z-index: auto' *does* create a stacking context */
      #fixed {position: fixed; left: 10em; top: 3em; background: green}
      #fixed div {position: absolute}
      #fixed div div {position: absolute; z-index: -1; background: green}
    </style>
  </head>

  <body>
    <p>There should be no red.</p>

    <div id="absolute">
      <div>
	<div></div>
      </div>
    </div>

    <div id="fixed">
      <div>
	<div></div>
      </div>
    </div>
  </body>
</html>