css
.bottom{width:100%;height:40px;background:#ededed;float:left;margin-bottom:0px;position:fixed;bottom:0;}/*重点后两句*/
body
<div class="bottom">
<p>网页底部</p>
</div>
css
.bottom{width:100%;height:40px;background:#ededed;float:left;margin-bottom:0px;position:fixed;bottom:0;}/*重点后两句*/
body
<div class="bottom">
<p>网页底部</p>
</div>