diff --git a/src/app/static/css/app.css b/src/app/static/css/app.css
index 95b37bfc6701fd7d987f0fd9f865412d3ddf67f8..6f861e9856ea5bc3cda6f448167b7cae6eef7fdd 100644
--- a/src/app/static/css/app.css
+++ b/src/app/static/css/app.css
@@ -1,7 +1,3 @@
-.hidden {
-    display:none;
-}
-
 .clickable {
     cursor: pointer;
     text-decoration: underline;
diff --git a/src/app/templates/unl2rdf.html b/src/app/templates/unl2rdf.html
index a009e9d8dc410e5087eeb1c6065a16fb2241a77b..9185e28f1bf36d18ca88585e8a82429ff88e5e3c 100644
--- a/src/app/templates/unl2rdf.html
+++ b/src/app/templates/unl2rdf.html
@@ -113,7 +113,7 @@ obj(when(icl>how,com>always,tim<uw,obj>uw),:01)
         </div>
 
         <pre>
-            <code id='rdf'>
+            <code id='rdf' class='collapse show'>
                 {{ output['rdf'] }}
             </code>
         </pre>
@@ -133,7 +133,7 @@ obj(when(icl>how,com>always,tim<uw,obj>uw),:01)
 
 
         <pre>
-        <code id='unl'>
+        <code id='unl' class='collapse show'>
             {{ unl }}
         </code>
         </pre>