#app{margin:0;width:calc(100% - 2px);height:calc(100% - 2px)}.top-bar{width:calc(100% - 2px)}.chat-pan.withBar{height:calc(100% - 27px);margin-right:1px;top:1px}.friend-list>div:last-child{margin-left:0}.opt-main>div:last-child{padding-top:35px;height:calc(100% - 26px)}