#courses-nav .el-menu-demo .el-menu-item i[data-v-4e694aac]{vertical-align:sub;margin-right:10px}#courses-nav .el-menu-demo .el-menu-item[data-v-4e694aac]:hover{color:#1277eb}#courses-nav .el-menu-demo .is-disabled[data-v-4e694aac]:hover{color:#474747}.jx-mycourse-content{position:relative}