.big{position:relative;width:100%;height:calc(100vh - 220px);background-color:#f4f4f4}.inner{position:absolute;top:50%;left:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.inner p{text-align:center;font-size:24px}.inner .leftPic{margin-top:20px;margin-left:44%;width:60px;height:60px}