client modifications

client/src/app.css

@@ -26,6 +26,10 @@ body {
   padding-right: .3em;
 }
 
+.markdown pre code {
+  padding: 0;
+}
+
 .markdown pre {
   padding-top: .6em;
   padding-bottom: .6em;

client/src/components/Level.tsx

@@ -215,7 +215,7 @@ function PlayableLevel({worldId, levelId}) {
         </EditorContext.Provider>
 
         {completed && <div className="conclusion">
-          {level?.data?.conclusion &&
+          {level?.data?.conclusion?.trim() &&
             <div className="message info">
               <Markdown>{level?.data?.conclusion}</Markdown>
             </div>