jellyfin-web/src/controllers/user/controls/index.html

<div id="controlsPreferencesPage" data-role="page" class="page libraryPage userPreferencesPage noSecondaryNavPage" data-title="${Controls}" data-menubutton="true">
    <div class="padded-left padded-right padded-bottom-page">
        <form style="margin: 0 auto;">
            <div class="verticalSection verticalSection-extrabottompadding">
                <h2 class="sectionTitle">
                    ${Controls}
                </h2>

                <div class="checkboxContainer checkboxContainer-withDescription">
                    <label>
                        <input type="checkbox" is="emby-checkbox" class="chkEnableGamepad" />
                        <span>${LabelEnableGamepad}</span>
                    </label>
                    <div class="fieldDescription checkboxFieldDescription">${EnableGamepadHelp}</div>
                    <div class="fieldDescription checkboxFieldDescription">${LabelPleaseRestart}</div>
                </div>
            </div>

            <button is="emby-button" type="submit" class="raised button-submit block btnSave hide">
                <span>${Save}</span>
            </button>
        </form>
    </div>
</div>