jellyfin-web/dashboard-ui/mysync.html

<div id="mySyncActivityPage" data-role="page" class="page libraryPage syncActivityPage mySyncPage noSecondaryNavPage" data-title="${TitleSync}">

    <style>
        .status-text-icon {
            font-size: 94%;
            background-color: #444;
            display: inline-flex;
            align-items: center;
            text-align: center;
            justify-content: center;
        }

        .zeroProgressStatus {
            background-color: #444;
        }
    </style>
    <div data-role="content">

        <div class="ehsContent" style="clear:both;">
            <br />
            <div class="localSyncStatus hide" style="text-align:right;margin:0 0 1em;">
                <button type="button" is="emby-button" class="btnSyncNow mini button-accent fab autoSize" style="margin-right:.5em;"><i class="md-icon">sync</i></button>
            </div>
            <div class="syncActivity">

            </div>
        </div>
    </div>
</div>