diff --git a/ace/index.html b/ace/index.html
index 924ab4f..2a9f858 100644
--- a/ace/index.html
+++ b/ace/index.html
@@ -50,7 +50,8 @@
         <div class="toolbar">
             <!--<button id="btnSave" onClick="save()" class="btn btn_g">save</button>-->
             <button id="btnUndo" onClick="editor.undo()" class="btn">↶</button>
-            <button id="btnRedo" onClick="editor.redo()" class="btn">↷</button>
+            <button id="btnRedo" onClick="editor.redo()" class="btn_g">↷</button>
+          	<button id="btnFs" onclick="openFullscreen();">◻</button>
         </div>
         <div class="inner" id="editor"></div>
         
@@ -98,13 +99,8 @@
                 }
             });
 
-            window.editor = editor;
-          /* Get the element you want displayed in fullscreen mode (a video in this example): */
-          var elem = document.documentElement;
-
-          /* When the openFullscreen() function is executed, open the video in fullscreen.
-          Note that we must include prefixes for different browsers, as they don't support the requestFullscreen method yet */
           function openFullscreen() {
+            var elem = document.documentElement;
             if (elem.requestFullscreen) {
               elem.requestFullscreen();
             } else if (elem.mozRequestFullScreen) { /* Firefox */
@@ -116,7 +112,8 @@
             }
           }
           
-          openFullScreen();
+          window.editor = editor;
+          
         </script>
 
     </body>