.header-menu-container{display:none}.course_wrapper[data-v-67fca8b8]{margin:10px;border-radius:5px;background:#fff}.course_wrapper .el-menu-vertical-demo[data-v-67fca8b8]:not(.el-menu--collapse){width:100px;min-height:400px;height:calc(100vh - 181px);border-right:0}.course_wrapper .el-menu[data-v-67fca8b8]{border-right:0}.course_wrapper .el-main[data-v-67fca8b8]{padding:0;overflow:hidden}.course_wrapper .prepare-header[data-v-67fca8b8]{height:40px!important;line-height:40px;padding:0!important}.course_wrapper .leftpanel[data-v-67fca8b8]{width:auto!important;height:calc(100vh - 181px);margin-top:15px}