*{margin:0;padding:0}.lift-layout{width:1000px;background-color:red;display:flex}.lift{height:100px;width:70px;bottom:0;left:20vw;border:.1rem solid rgba(0,0,0,.568);display:flex}.lift-door-left{background:#a7a7a7;width:50%;position:relative}.lift-door-right{width:50%;position:relative;background:#6d6d6d}