效果代码 *{margin:0;padding:0;} body {height:2000px;} #menu { width:220px; height:420px; position:absolute; z-index:1000; background:url(/upload/20080421090108362.gif) repeat-x top left; } #menu_h { float:right; } #menu_h img { cursor:pointer; } #menu_c { width:188px; height:398px; border:1px solid #666; background:#ecf6f5; margin:12px 0 0 5px; } #menu_c h2 { text-align:center; } [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]