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横排二级下拉菜单 * { margin:0; padding:0;} ul, li { list-style:none;} a { text-decoration:none;} .nav { border:2px solid #ccc; border-right:none; overflow:hidden; float:left; margin:100px 0 0 300px;} .nav ul li a { width:120px; height:40px; text-align:center; line-height:40px; display:block; border-right:2px solid #ccc; background:#eee; color:#666;} .nav ul li a:hover{ color:#f00; } .nav ul li ul { position:absolute; display:none;} .nav ul li ul li { float:none;} .nav ul li ul li a { border-right:none; border-top:1px dotted #ccc; background:#f5f5f5;} .nav ul li:hover ul{ display: block; }
