jellyfin-web/dashboard-ui/wizardservice.html

<div id="wizardServicePage" data-role="page" class="page standalonePage wizardPage" data-require="scripts/wizardservice,paper-button">

    <div data-role="content">

        <div class="ui-corner-all ui-shadow wizardContent">
            <h1>
                ${LabelWindowsService}
            </h1>

            <p style="margin-top:2em;">${AWindowsServiceHasBeenInstalled}</p>

            <p>${WindowsServiceIntro1}</p>

            <p>${WindowsServiceIntro2}</p>

            <div class="wizardNavigation">
                <button type="button" data-role="none" class="clearButton" style="width:auto;" onclick="history.back();"><paper-button raised class="subdued"><iron-icon icon="arrow-back"></iron-icon><span>${LabelPrevious}</span></paper-button></button>
                <button id="btnNextPage" type="button" data-role="none" class="clearButton" style="width:auto;"><paper-button raised class="accent"><iron-icon icon="arrow-forward"></iron-icon><span>${LabelNext}</span></paper-button></button>
            </div>
        </div>

    </div>
</div>