/*本例css*/
.www51buycom { width: 980px; height: 313px; margin:0px auto; position: relative; overflow:hidden; }

/*数字按钮样式*/
.www51buycom .num { overflow:hidden; height: 20px; position: absolute; bottom:12px; right: 15px; zoom:1; z-index:3 ;}
.www51buycom .num li { width: 18px; height: 18px; line-height: 18px; text-align: center;font-size:12px;border:1px solid #000; font-family: "微软雅黑", Arial; color: #FFFFFF; background: #444; margin-right: 4px; cursor:pointer; float: left; }
.www51buycom .num li.on { background: #ffb737; } /*当前项*/

/*上一个  下一个*/
.www51buycom .prev,
.www51buycom .next { display: none; width: 40px; height: 100px; background: url(../images/btn.png) no-repeat; position: absolute; top: 115px;}
.www51buycom .prev { left: 0; }
.www51buycom .next { right: 0; background-position: right }