ms-xlpush1 fluent ui code example
Example: office ui fabric
<body class="ms-Fabric" dir="ltr">
<span class="ms-font-su ms-fontColor-themePrimary">Big blue text</span>
</body>
<body class="ms-Fabric" dir="ltr">
<span class="ms-font-su ms-fontColor-themePrimary">Big blue text</span>
</body>