* { margin:0px; padding:0px; } ul,ol { list-style-type:none; } a { color:#666; text-decoration:none; } .slide { width:260px; border:1px solid #ccc; margin:0 auto; margin-top:20px; } ul>li>a { display:block; height:40px; line-height:40px; background:#ccc; border-bottom:1px solid #eee; } ul>li ol { padding:10px 0px 10px 20px; display:none; }
js代码里面有说明!~