.wrap{min-width:1400px;background:url(bg.png) no-repeat center top;height:3328px}.wrap .box{position:relative;display:block;margin:auto;width:1254px;height:3242px}.wrap .send-book-btn{cursor:pointer;position:absolute;left:385px;bottom:515px;width:480px;height:80px}.wrap .hand-btn{cursor:pointer;position:absolute;left:755px;bottom:479px;width:66px;height:70px}.wrap .customer-btn{cursor:pointer;position:absolute;left:560px;bottom:52px;width:99px;height:35px}