diff --git a/pages/options.html b/pages/options.html
index e9255aef6..c35fb6c29 100644
--- a/pages/options.html
+++ b/pages/options.html
@@ -35,7 +35,7 @@ <h2>Excluded URLs and keys</h2>
         </div>
 
         <h2>Custom key mappings</h2>
-        <textarea name="keyMappings" type="text"></textarea>
+        <textarea name="keyMappings" type="text" class="code"></textarea>
         <div class="example">
           Enter commands to remap your keys. Available commands:<br>
           <pre
@@ -50,7 +50,7 @@ <h2>Custom key mappings</h2>
         </div>
 
         <h2>Custom search engines</h2>
-        <textarea name="searchEngines"></textarea>
+        <textarea name="searchEngines" class="code"></textarea>
         <div class="example">
           Add search-engine shortcuts to the Vomnibar. Format:<br>
           <pre