Test in textArea

example/index.html

@@ -332,6 +332,8 @@
             class="textareaStyle"
             placeholder="Enter CSS properties"
           ></textarea>
+          <button type="button" class="check-code render">Render</button>
+          <button type="button" class="check-code saveStyle">Save style</button>
         </div>
         <div class="layout-select constructor">
           <button class="cg-dropdown select"></button>