diff --git a/src/main/java/com/kowymaker/client/graphics/core/ui/UserInterface.java b/src/main/java/com/kowymaker/client/graphics/core/ui/UserInterface.java
@@ -1,8 +1,18 @@
 package com.kowymaker.client.graphics.core.ui;
 
+import java.io.File;
+import java.io.IOException;
+
 import org.fenggui.Display;
 import org.fenggui.FengGUI;
-import org.fenggui.theme.DefaultTheme;
+import org.fenggui.Label;
+import org.fenggui.TextEditor;
+import org.fenggui.composite.Window;
+import org.fenggui.layout.BorderLayout;
+import org.fenggui.layout.GridLayout;
+import org.fenggui.theme.ITheme;
+import org.fenggui.theme.css.CSSTheme;
+import org.fenggui.util.Point;
 
 import com.kowymaker.client.graphics.core.ClientApplet;
 import com.kowymaker.client.graphics.core.ClientEngine;
@@ -50,7 +60,49 @@ public boolean contains(double x, double y)
     private void init(ClientEngine engine)
     {
         display = new Display(engine.getBinding());
-        FengGUI.setTheme(new DefaultTheme());
+        display.setLayoutManager(new BorderLayout());
+        // FengGUI.setTheme(new DefaultTheme());
+        try
+        {
+            ITheme theme = null;
+            theme = new CSSTheme(new File("style.css"));
+            FengGUI.setTheme(theme);
+        }
+        catch (IOException e)
+        {
+            e.printStackTrace();
+        }
+
+        Window window = new Window();
+        window.setTitle("Window #1");
+        window.setId("window-1");
+        window.setStyleClass("colored");
+        window.setPosition(new Point(20, 20));
+        window.getContentContainer().setLayoutManager(new GridLayout(3, 2));
+
+        {
+            Label label = new Label("Label :");
+
+            TextEditor text = new TextEditor();
+            text.setMultiline(false);
+
+            window.getContentContainer().addWidget(label, text);
+        }
+
+        Window window2 = new Window();
+        window2.setTitle("Window #2");
+        window2.setId("window-2");
+        window2.setPosition(new Point(100, 100));
+        window2.getContentContainer().setLayoutManager(new BorderLayout());
+
+        {
+
+        }
+
+        display.addWidget(window, window2);
+        FengGUI.getTheme().setUp(display);
+
+        window.setResizable(true);
 
         engine.getEventManager().setDisplay(display);
     }

diff --git a/src/main/java/com/kowymaker/client/utils/LWJGLSequencer.java b/src/main/java/com/kowymaker/client/utils/LWJGLSequencer.java
@@ -0,0 +1,44 @@
+package com.kowymaker.client.utils;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import org.fenggui.binding.render.ITexture;
+import org.fenggui.binding.render.lwjgl.LWJGLTexture;
+
+import com.kowymaker.spec.utils.res.Sequencer;
+
+public class LWJGLSequencer
+{
+    private final Sequencer.Sequence       sequence;
+    private final Sequencer.SequenceRunner runner;
+    private final ITexture[]               textures;
+
+    public LWJGLSequencer(Sequencer.Sequence sequence)
+    {
+        this.sequence = sequence;
+        runner = new Sequencer.SequenceRunner(sequence);
+        textures = new ITexture[sequence.getLength()];
+        Arrays.fill(textures, null);
+    }
+
+    public ITexture getTexture() throws IOException
+    {
+        return getTexture(System.currentTimeMillis());
+    }
+
+    public ITexture getTexture(long time) throws IOException
+    {
+        int index = runner.getIndex(time);
+        ITexture tex = textures[index];
+
+        if (tex == null)
+        {
+            tex = LWJGLTexture.uploadTextureToVideoRAM(sequence.getFrame(index)
+                    .getData());
+            textures[index] = tex;
+        }
+
+        return tex;
+    }
+}
diff --git a/src/main/resources/background.png b/src/main/resources/background.png