/* 
* @Author: Marte
* @Date:   2016-12-16 12:22:13
* @Last Modified by:   Marte
* @Last Modified time: 2016-12-16 12:26:12
*/
.bann div{
    position:relative;
    overflow:hidden;
}
.bann div img{
    float:left;
}
.btn1{
    position:absolute;
    left:537px;
    top:59px;
}
.btn2{
    position:absolute;
    left:537px;
    top:59px;
}
.btn3{
    position:absolute;
    left:537px;
    top:125px;
}