1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2 <html>
3 <head>
4 <title>CSS Test: opacity</title>
5 <link rel="author" title="L. David Baron" href="https://dbaron.org/">
6 <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/">
7 <link rel="help" href="http://www.w3.org/TR/css3-color/#transparency">
8 <meta name="flags" content="">
9 <meta name="assert" content="That opacity specifies compositing the contents as a single offscreen buffer.">
10 <style type="text/css">
11
12 body { background: white; }
13
14 div { width: 5em; height: 1em; }
15 div.color { background: blue; }
16 div.top { margin: 2px 0; opacity: 0.4; }
17
18 div.ref { opacity: 1.0; background: rgb(153, 153, 255); }
19
20 </style>
21 </head>
22 <body>
23 <p>The following five boxes should be the same color:</p>
24
25 <div class="top color"></div>
26 <div class="top color"><div class="color"></div></div>
27 <div class="top"><div class="color"></div></div>
28 <div class="top"><div class="color"><div class="color"></div></div></div>
29 <div class="top ref"></div>
30 </body>
31 </html>