首先看个简单的例子吧。 http://www.cssrain.cn *{ margin:0; padding:0;} body{ margin:0 auto; font-size:12px;} .model{margin:0 auto; width:30px;} .model a:hover{ text-decoration:none;} .model a img{ border:#fff 1px solid;} .model a:hover img{ border:#888 1px dotted;} .model a span{ padding:0; display:block; width:80px; height:50px; margin-top:-32px; overflow:hidden; line-height:14px; filter: Alpha(opacity=0); opacity:.0; cursor:pointer; text-align:center;}