diff --git a/edit/settings.css b/edit/settings.css
index ef42c05a..242b74fd 100644
--- a/edit/settings.css
+++ b/edit/settings.css
@@ -1,4 +1,4 @@
-.compact-layout #help-popup[data-type="styleSettings"] {
+.compact-layout #help-popup.style-settings-popup {
   width: 90%;
 }
 .style-settings {
diff --git a/edit/settings.js b/edit/settings.js
index c8cd5852..8513d63f 100644
--- a/edit/settings.js
+++ b/edit/settings.js
@@ -27,7 +27,7 @@ function StyleSettings() {
       $create('button', {onclick: helpPopup.close}, t('confirmClose')),
     ]),
   ]));
-  $('#help-popup').dataset.type = 'styleSettings';
+  $('#help-popup').className = 'style-settings-popup';
   moveFocus(ui, 0);
 
   function textToList(text) {