containing-block-dynamic-1-ref.html (501B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS transforms: Creating containing block for fixed positioned elements</title> 4 <link rel="author" title="L. David Baron" href="https://dbaron.org/"> 5 <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> 6 <style> 7 html, body { margin: 0; padding: 0 } 8 #fixedmoves { 9 position: absolute; 10 top: 150px; 11 left: 150px; 12 background: green; 13 height: 100px; 14 width: 100px; 15 } 16 </style> 17 <body> 18 <div id="fixedmoves"></div> 19 </body>