diff --git a/manage.html b/manage.html
index 1d23f1ba..cb4793be 100644
--- a/manage.html
+++ b/manage.html
@@ -263,7 +263,7 @@
     <a href="edit.html">
       <button id="add-style-label" i18n-text="addStyleLabel"></button>
     </a>
-    <label id="newStyleAsUsercss-wrapper">
+    <label id="add-style-as-usercss-wrapper">
       <input type="checkbox" id="newStyleAsUsercss">
       <svg class="svg-icon checked"><use xlink:href="#svg-icon-checked"/></svg>
       <span i18n-text="manageNewStyleAsUsercss" i18n-title="optionsAdvancedNewStyleAsUsercss"></span>
diff --git a/manage/manage.css b/manage/manage.css
index dfc1affd..0de5b53b 100644
--- a/manage/manage.css
+++ b/manage/manage.css
@@ -91,11 +91,11 @@ select {
   margin-bottom: .25em;
 }
 
-#newStyleAsUsercss-wrapper {
+#add-style-as-usercss-wrapper {
   display: inline-flex;
 }
 
-#newStyleAsUsercss-wrapper:not(:hover) input:not(:checked) ~ a svg {
+#add-style-as-usercss-wrapper:not(:hover) input:not(:checked) ~ a svg {
   fill: #aaa;
 }