Increase instruct mode padding

css/html_instruct_style.css

@@ -43,11 +43,11 @@
 }
 
 .assistant-message {
-  padding: 10px;
+  padding: 15px;
 }
 
 .user-message {
-  padding: 10px;
+  padding: 15px;
   background-color: #f1f1f1;
 }