diff --git a/templates/admin.php b/templates/admin.php
index df40e1f2..e0677e98 100644
--- a/templates/admin.php
+++ b/templates/admin.php
@@ -4,45 +4,49 @@ script('richdocuments', 'admin');
 /** @var array $_ */
 ?>
 <div class="section" id="richdocuments">
-	<h2><?php p($l->t('Collabora Online')) ?></h2>
-	<a target="_blank" rel="noreferrer" class="icon-info"
-                title="<?php p($l->t('Open documentation'));?>"
-                href="https://github.com/nextcloud/richdocuments/wiki"></a>
+	<h2>
+		<?php p($l->t('Collabora Online')) ?>
+		<a target="_blank" rel="noreferrer" class="icon-info"
+			title="<?php p($l->t('Open documentation'));?>"
+			href="https://github.com/nextcloud/richdocuments/wiki"></a>
+	</h2>
+	
 	<br/>
 	<label for="wopi_url"><?php p($l->t('Collabora Online server')) ?></label>
-	<input type="text" name="wopi_url" id="wopi_url" value="<?php p($_['wopi_url'])?>" style="width:300px;">
-	<br/><em><?php p($l->t('URL (and port) of the Collabora Online server that provides the editing functionality as a WOPI client.')) ?></em>
+	<input type="text" name="wopi_url" id="wopi_url" value="<?php p($_['wopi_url'])?>" style="width: 300px; display: block;">
+	<em><?php p($l->t('URL (and port) of the Collabora Online server that provides the editing functionality as a WOPI client.')) ?></em>
 	<br/><button type="button" id="wopi_apply"><?php p($l->t('Apply')) ?></button>
 	<span id="documents-admin-msg" class="msg"></span>
-    <br/>
-	<input type="checkbox" class="use-groups-enable" id="use_groups_enable-richdocuments" />
+	<br/>
+	<br/>
+	<input type="checkbox" class="use-groups-enable checkbox" id="use_groups_enable-richdocuments" />
 	<label for="use_groups_enable-richdocuments"><?php p($l->t('Restrict usage to specific groups')) ?></label>
-	<input type="hidden" id="use_group_select" value="<?php p($_['use_groups'])?>" title="<?php p($l->t('All')); ?>" style="width: 200px">
+	<input type="hidden" id="use_group_select" value="<?php p($_['use_groups'])?>" title="<?php p($l->t('All')); ?>" style="width: 200px; display: block;">
 	<br/>
-	<input type="checkbox" class="edit-groups-enable" id="edit_groups_enable-richdocuments" />
+	<input type="checkbox" class="edit-groups-enable checkbox" id="edit_groups_enable-richdocuments" />
 	<label for="edit_groups_enable-richdocuments"><?php p($l->t('Restrict edit to specific groups')) ?></label>
-	<input type="hidden" id="edit_group_select" value="<?php p($_['edit_groups'])?>" title="<?php p($l->t('All')); ?>" style="width: 200px">
+	<input type="hidden" id="edit_group_select" value="<?php p($_['edit_groups'])?>" title="<?php p($l->t('All')); ?>" style="width: 200px; display: block;">
 	<br/>
-    <input type="checkbox" class="doc-format-ooxml" id="doc_format_ooxml_enable-richdocuments" <?php p($_['doc_format'] === 'ooxml' ? 'checked' : '') ?> />
-    <label for="doc_format_ooxml_enable-richdocuments"><?php p($l->t('Use OOXML by default for new files')) ?></label>
+	<input type="checkbox" class="doc-format-ooxml checkbox" id="doc_format_ooxml_enable-richdocuments" <?php p($_['doc_format'] === 'ooxml' ? 'checked' : '') ?> />
+	<label for="doc_format_ooxml_enable-richdocuments"><?php p($l->t('Use OOXML by default for new files')) ?></label>
 	<br/>
-	<input type="checkbox" id="enable_external_apps_cb-richdocuments" <?php p($_['external_apps'] != '' ? 'checked' : '') ?> />
-    <label for="enable_external_apps_cb-richdocuments"><?php p($l->t('Enable access for external apps')) ?></label>
+	<input type="checkbox" class="checkbox" id="enable_external_apps_cb-richdocuments" <?php p($_['external_apps'] != '' ? 'checked' : '') ?> />
+	<label for="enable_external_apps_cb-richdocuments"><?php p($l->t('Enable access for external apps')) ?></label>
 	<div id="enable-external-apps-section" class="indent <?php if ($_['external_apps'] == '') p('hidden') ?>" >
-	    <div id="external-apps-section">
-	       <input type="hidden" id="external-apps-raw" name="external-apps-raw" value="<?php p($_['external_apps']) ?>">
-	    </div>
-
-	    <button type="button" id="external-apps-save-button"><?php p($l->t('Save')) ?></button>
-	    <button type="button" id="external-apps-add-button"><?php p($l->t('Add')) ?></button>
-	    <span id="enable-external-apps-section-msg" class="msg"></span>
-	</div><br/>
+		<div id="external-apps-section">
+			<input type="hidden" id="external-apps-raw" name="external-apps-raw" value="<?php p($_['external_apps']) ?>">
+		</div>
 
-	<input type="checkbox" id="enable_canonical_webroot_cb-richdocuments" <?php p($_['canonical_webroot'] != '' ? 'checked' : '') ?> />
-	<label for="canonical_webroot_cb-richdocuments"><?php p($l->t('Use Canonical webroot')) ?></label>
-	<div id="enable-canonical-webroot-section" class="indent <?php if ($_['canonical_webroot'] == '') p('hidden') ?>" >
-	<input type="text" id="canonical-webroot" name="canonical-webroot-name" value="<?php p($_['canonical_webroot']) ?>">
+		<button type="button" id="external-apps-save-button"><?php p($l->t('Save')) ?></button>
+		<button type="button" id="external-apps-add-button"><?php p($l->t('Add')) ?></button>
+		<span id="enable-external-apps-section-msg" class="msg"></span>
+	</div>
 	<br/>
-	<p class="rd-settings-documentation"><em><?php p($l->t('Canonical webroot, in case there are multiple, for Collabora to use. Provide the one with least restrictions. Eg: Use non-shibbolized webroot if this instance is accessed by both shibbolized and non-shibbolized webroots. You can ignore this setting if only one webroot is used to access this instance.')) ?></em></p>
+	<input type="checkbox" class="checkbox" id="enable_canonical_webroot_cb-richdocuments" <?php p($_['canonical_webroot'] != '' ? 'checked' : '') ?> />
+	<label for="enable_canonical_webroot_cb-richdocuments"><?php p($l->t('Use Canonical webroot')) ?></label>
+	<div id="enable-canonical-webroot-section" class="indent <?php if ($_['canonical_webroot'] == '') p('hidden') ?>" >
+		<input type="text" id="canonical-webroot" name="canonical-webroot-name" value="<?php p($_['canonical_webroot']) ?>">
+		<br/>
+		<p class="rd-settings-documentation"><em><?php p($l->t('Canonical webroot, in case there are multiple, for Collabora to use. Provide the one with least restrictions. Eg: Use non-shibbolized webroot if this instance is accessed by both shibbolized and non-shibbolized webroots. You can ignore this setting if only one webroot is used to access this instance.')) ?></em></p>
 	</div>
 </div>