#app{position:relative;overflow:hidden;margin:0 auto;min-width:1000px;min-height:155px;height:10vw;max-height:240px}.layer{position:absolute;left:0;top:0;height:100%;width:100%;display:flex;align-items:center;justify-content:center}img{user-select:none;pointer-events:none}#selectBox>button{margin:0 1em 1em 0}@media screen and (max-width:1000px){#app{min-width:100%;min-height:120px;height:30vw;max-height:180px}.layer{justify-content:flex-start}}