.random-box { width: 660px; height: 280px; position: relative; overflow:hidden; margin-bottom:15px; }

.random-box .num ul { overflow:hidden; height: 25px; position: absolute; bottom:10px; right: 5px; zoom:1; z-index:3;  list-style:none; padding:0; margin:0; }
.random-box .num li { width: 25px; height: 25px; font-family: "微軟正黑體", "新細明體"; line-height: 25px; text-align: center; color: #FFFFFF; background: rgba(0,0,0,0.80); margin-right: 5px; cursor:pointer; float: left; list-style:none; border-radius:5px; font-size:12px; }
.random-box .num li.on { background: #ffbd3e; color:#000000; } 

.random-box .prev,
.random-box .next { display: none; width: 40px; height: 100px; background:#000000; position: absolute; top: 85px;}
.random-box .prev { left: 0; }
.random-box .next { right: 0; background-position: right }