.main { font-family: Microsoft YaHei, 微软雅黑; position: absolute; left: 0; top: 0; right: 0; bottom: 0; background-color: #051A1E; background-size: 100% 100%; color: #fff; overflow: hidden; .header { height: 74px; background: linear-gradient(90deg, #023167 0%, #062B4E 50%, #023167 100%); box-shadow: 0px 3px 3px 0px rgba(0, 0, 0, 0.3); } .divider { width: 2px; height: 16px; background: #fff; opacity: 0.5; margin: 16px; } }