diff --git a/extensions/chromium/manifest.json b/extensions/chromium/manifest.json
index 9df4de44f..ee9f4e736 100644
--- a/extensions/chromium/manifest.json
+++ b/extensions/chromium/manifest.json
@@ -31,8 +31,7 @@
     "managed_schema": "preferences_schema.json"
   },
   "options_ui": {
-    "page": "options/options.html",
-    "chrome_style": true
+    "page": "options/options.html"
   },
   "options_page": "options/options.html",
   "background": {
diff --git a/extensions/chromium/options/options.html b/extensions/chromium/options/options.html
index 78385926f..bd18c2456 100644
--- a/extensions/chromium/options/options.html
+++ b/extensions/chromium/options/options.html
@@ -19,13 +19,19 @@ limitations under the License.
 <meta charset="utf-8">
 <title>PDF.js viewer options</title>
 <style>
-/* TODO: Remove as much custom CSS as possible - crbug.com/446511 */
 body {
   min-width: 400px; /* a page at the settings page is at least 400px wide */
   margin: 14px 17px; /* already added by default in Chrome 40.0.2212.0 */
 }
 .settings-row {
-  margin: 0.65em 0;
+  margin: 1em 0;
+}
+.checkbox label {
+  display: inline-flex;
+  align-items: center;
+}
+.checkbox label input {
+  flex-shrink: 0;
 }
 </style>
 </head>
@@ -34,8 +40,7 @@ body {
 <button id="reset-button" type="button">Restore default settings</button>
 
 <template id="checkbox-template">
-<!-- Chromium's style: //src/extensions/renderer/resources/extension.css -->
-<div class="checkbox">
+<div class="settings-row checkbox">
   <label>
     <input type="checkbox">
     <span></span>