/*reset*/
body{font-family: "microsoft yahei","微软雅黑";}
body,ul,li,ol,img{margin: 0;padding: 0;}
li{list-style: none;}

body{width: 100%;height: auto;margin: 0 auto;}
body>h5{margin-left: 20px;}
/*body>div{margin-left: 20px;}*/

/*example*/
.example{
    margin: auto;
    display: inline-block;
    width: 800px;
    height: 650px;
}

.example ol{position:relative;width: 80px;height: 20px;top:-30px;margin: 0 auto; text-align: center}
.example ol li{    border-radius: 50%;float:left;width: 10px;height: 10px;margin: 5px;background: #fff}
.example ol li.seleted{background:#f44336;}