/* img-box */
.img-box,.img-box div,.img-box div img{width:680px;height:500px;}
.img-box{margin:auto;position:relative;}
.img-box span{position:absolute;bottom:0;left:235px;width:201px;font-size:12px;line-height:25px;color:#FFF;z-index:100;background:#777;text-align:center;}
.img-box div{position: absolute;cursor: all-scroll }
.btn-box{width:680px;height:40px;margin: auto;cursor:pointer;background:#404040 ;}
.btn-margin{width:210px;height:40px;margin: auto;}
.btn{width:100px;height:38px;line-height:38px;margin:1px 1px 0 0; text-align:center;float:left;color:#FFF; background:#777;}