.login-form{width:1000px;height:500px;position:absolute;left:calc(50% - 500px);top:10%;overflow:hidden;box-shadow:0 0 10px rgba(0,0,0,.3)}.loginback{width:100%;height:100%;position:relative}.login-form .left{width:500px;overflow:hidden;float:left}.login-form .left img{width:100%}.login-form .right{width:500px;overflow:hidden;background:#fff;height:500px}.login-form .right p{font-size:20px;color:#505050}