diff --git a/gui/mainpage.py b/gui/mainpage.py
index fb68060..122b446 100644
--- a/gui/mainpage.py
+++ b/gui/mainpage.py
@@ -11,23 +11,28 @@ class MainWindow(wx.Frame):
         sizer_hor = wx.BoxSizer(wx.HORIZONTAL)
         sizer_vert_1 = wx.BoxSizer(wx.VERTICAL)
         sizer_vert_2 = wx.BoxSizer(wx.VERTICAL)
+
         sizer_hor.Add(sizer_vert_1)
         sizer_hor.Add(sizer_vert_2)
+
         lgn_label = wx.StaticText(self, wx.NewId(), "Login")
         pswd_label = wx.StaticText(self, wx.NewId(), "Password")
         lgn_text = wx.TextCtrl(self, wx.NewId())
         pswd_text = wx.TextCtrl(self, wx.NewId())
+
         sizer_vert_1.Add(lgn_label, flag=wx.ALL)
         sizer_vert_1.AddSpacer(10)
         sizer_vert_1.Add(pswd_label, flag=wx.ALL)
+
         sizer_vert_2.Add(lgn_text)
         sizer_vert_2.Add(pswd_text)
+
         self.SetSizer(sizer_hor)
         self.Layout()
 
 
 if __name__ == "__main__":
-    app = wx.PySimpleApp(0)
+    app = wx.App(0)
     wx.InitAllImageHandlers()
     mainWnd = MainWindow(None, -1, "")
     app.SetTopWindow(mainWnd)
diff --git a/gui/mainpage_gridbag.py b/gui/mainpage_gridbag.py
new file mode 100644
index 0000000..6c23bc3
--- /dev/null
+++ b/gui/mainpage_gridbag.py
@@ -0,0 +1,35 @@
+import wx
+
+class MainPage(wx.Frame):
+    def __init__(self, *args, **kwds):
+        kwds["style"] = wx.DEFAULT_FRAME_STYLE
+        wx.Frame.__init__(self, *args, **kwds)
+        self.SetSize((300, 200))
+        self.layout()
+
+    def layout(self):
+        sizer = wx.GridBagSizer()
+        count = 4
+
+        lgn_label = wx.StaticText(self, wx.NewId(), "Login")
+        pswd_label = wx.StaticText(self, wx.NewId(), "Password")
+        lgn_text = wx.TextCtrl(self, wx.NewId())
+        pswd_text = wx.TextCtrl(self, wx.NewId())
+
+        sizer.Add(lgn_label,  pos=(0, 0))
+        sizer.Add(pswd_label, pos=(0, 1))
+        sizer.Add(lgn_text,   pos=(1, 0))
+        sizer.Add(pswd_text,  pos=(1, 1))
+
+        self.SetSizer(sizer)
+        self.layout()
+
+
+
+if __name__ == "__main__":
+    app = wx.App(0)
+    wx.InitAllImageHandlers()
+    mainWnd = MainPage(None, -1, "")
+    app.SetTopWindow(mainWnd)
+    mainWnd.Show()
+    app.MainLoop()