gui/index file update

gui/index.html

@@ -63,6 +63,8 @@
                 //setTimeout(function(){ window.close(); }, 15000);
             });
         </script>
-        <div style="text-align: center;"><img src="loading.gif"></div>
+        <div style="text-align: center;">
+            <div style="background-image: url('loading.gif'); background-repeat: no-repeat; height: 300px; width: 400px; margin: 0 auto;"></div>
+        </div>
     </body>
 </html>