old-and-red {
        color: darkred;
        font-weight: bold;
    }
    .ag-row-group {
        font-weight: bold;
    }
</style>

<body ng-app="example" ng-controller="exampleCtrl">
    <div ag-grid="gridOptions" style="height: 100%;" class="ag-fresh"></div>
</body>
</html>
