1 <body> 2 <div class="wrap"> 3 <div class="head"></div> 4 <div class="main"></div> 5 <div class="foot"></div> 6 </div> 7 </body>
1 html, body { height: 100%; } 2 .wrap { min-height: 100%; height: auto !important; height: 100%;position: relative; } 3 .main { padding-bottom: 100px; } 4 .foot { position: absolute; bottom: 0; width: 100%; height: 100px;}
原文：http://www.cnblogs.com/talentzemin/p/4777825.html