jellyfin-web/dashboard-ui/mysync.html

<div id="mySyncActivityPage" data-role="page" class="page libraryPage syncActivityPage mySyncPage noSecondaryNavPage" data-contextname="${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="supporterPromotionContainer hide" style="text-align: right; position: static;">
            <div class="customSupporterPromotion supporterPromotion inlineSupporterPromotion">
                <button is="emby-button" type="button" class="raised accent block btnSyncSupporter">
                    <div class="mainText">
                    </div>
                    <div class="btnLearnMore" style="font-weight: normal; margin-top: .25em;">
                        ${ButtonLearnMore}
                    </div>
                </button>
            </div>
        </div>
        <div class="ehsContent" style="clear:both;">
            <br />
            <div class="localSyncStatus hide" style="text-align:right;margin:0 0 1em;">
                <span style="vertical-align: middle;margin-right:.5em;" class="labelSyncStatus"></span>
                <button type="button" is="emby-button" class="btnSyncNow mini accent fab autoSize" style="margin-right:.5em;"><i class="md-icon">sync</i></button>
            </div>
            <div class="syncActivity">

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