body{margin:0}.layer{width:100vw;height:100vh;background:url(https://wsweb.bldimg.com/images/0926/1043/147/01_2622.png) no-repeat;background-size:cover;position:relative}.down-list{position:absolute;left:245px;top:60%}.down-icon{height:2.8rem;margin-right:.8rem}@media (max-width:980px){.layer{width:100vw;height:100vh;background:url(https://wsweb.bldimg.com/images/0926/6063/388/01_6183.png) no-repeat;background-size:cover}.down-list{width:95vw;position:fixed;left:50%;bottom:12%;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-pack:distribute;justify-content:space-around;-webkit-transform:translate(-50%,100%);-ms-transform:translate(-50%,100%);transform:translate(-50%,100%)}.down-list .down-icon{height:2.7rem;margin:unset}}