<!DOCTYPE HTML> <html> <head> <title>CSS 2.1 Test Suite: Test for containing block for absolutely positioned elements being initial containing block</title> <link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" /> <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" /> <meta name="assert" content="If there is no such ancestor, the containing block is the initial containing block." /> <meta name="flags" content="dom" /> <style> html { margin:10px; border:20px solid black; padding:30px; } body { height:10000px; margin:0; } div { position:absolute; width:100px; height:100px; } </style> </head> <body> <script> window.scrollTo(0,50); </script> <div style="top:0; background:yellow;"></div> <div style="right:0; background:orange;"></div> <div style="bottom:0; background:brown;"></div> <div style="left:0; background:pink;"></div> </body> </html>