#components-layout-demo-fixed .logo{width:120px;height:31px;background:hsla(0,0%,100%,.2);margin:16px 24px 16px 0;float:left}.site-layout .site-layout-background{background:#fff}[data-theme=dark] .site-layout .site-layout-background{background:#141414}.ant-layout-header{box-shadow:0 2px 8px rgba(0,0,0,.15)}