.top-one{background:#009dff;position:fixed;z-index:1031;top:0;left:0;height:4px;transition:all 1s;width:0;overflow:hidden}.top-two{background:#009dff;position:fixed;z-index:1031;top:0;right:0;transform:rotate(180deg);height:4px;transition:all 1s;width:0;overflow:hidden}.colors{width:100%;height:4px}