Force editor to not take up too much space

templates/monaco.hbs

@@ -13,7 +13,7 @@ value="{{ this.value }}"
 </select>
 
 <label>Código-fonte</label>
-<div id="editor" style="border: 1px solid grey"></div>
+<div id="editor" style="border: 1px solid grey; overflow: hidden"></div>
 <textarea id="source-text" name="source_text" style="display: none"></textarea>
 <input type="file" id="source-file"/>