.reward{width:100vw;height:100vh}.reward img{width:100%}.reward .level{position:absolute;width:8vw}.reward .l1{left:13vw;top:24.8vw;height:44vw}.reward .l2{left:21.2vw;top:24.8vw;height:44vw}.reward .l3{left:29.3vw;top:23.2vw;height:45.4vw}