div >.dung {position: fixed;z-index: 99;width: 110px;height: 110px;background: url('https://t1.daumcdn.net/cafeattach/1ZKRP/6f42638ca5793bbfce226c684365a2d010a3e6a0?type=thumb&opt=R667x0a') no-repeat center / contain;animation: dung 20s infinite linear;}@keyframes dung {0% {top:0; left:100%;}25% {top:25%; left:0;}50% {top:50%; left:85%;}75% {top:75%; left:0;}100% {top:100%; left:100%;}}
ins div{content:""; position: absolute; width:100%; height:100%; z-index:2;background: url('https://t1.daumcdn.net/cafeattach/1ZKRP/73dfa539a1a640a7907f0becc624295cd6ee43cb?type=thumb&opt=R667x0a'); background-size: contain, cover;}
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