.content_box{width:15rem;height:64rem;background:url(./content/h5.png?v=1) no-repeat center top;background-size:100% auto;margin:0 auto}.content_box div.s1{height:5rem}.content_box div.s2{height:14rem}.content_box div.s3{height:6rem}.content_box div.s4{height:12.5rem}.content_box div.s5{height:13rem}.content_box div.s6{height:13rem}