.el-header{--el-header-padding:0 20px;--el-header-height:60px;box-sizing:border-box;flex-shrink:0;height:60px;height:var(--el-header-height);padding:0 20px;padding:var(--el-header-padding)}.el-aside{box-sizing:border-box;flex-shrink:0;overflow:auto;width:300px;width:var(--el-aside-width,300px)}