diff --git a/src/main/java/org/gcube/portlets/user/td/extractcodelistwidget/client/TargetColumnsSelectionPanel.java b/src/main/java/org/gcube/portlets/user/td/extractcodelistwidget/client/TargetColumnsSelectionPanel.java
index 9fa2d6f..0079b00 100644
--- a/src/main/java/org/gcube/portlets/user/td/extractcodelistwidget/client/TargetColumnsSelectionPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/extractcodelistwidget/client/TargetColumnsSelectionPanel.java
@@ -29,17 +29,16 @@ import com.google.gwt.safehtml.shared.SafeHtmlUtils;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.sencha.gxt.cell.core.client.ButtonCell.IconAlign;
 import com.sencha.gxt.cell.core.client.form.ComboBoxCell.TriggerAction;
-import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
 import com.sencha.gxt.core.client.util.Margins;
 import com.sencha.gxt.data.shared.ListStore;
 import com.sencha.gxt.widget.core.client.FramedPanel;
 import com.sencha.gxt.widget.core.client.button.TextButton;
-import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
-import com.sencha.gxt.widget.core.client.container.SimpleContainer;
-import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
 import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
+import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer.HBoxLayoutAlign;
+import com.sencha.gxt.widget.core.client.container.SimpleContainer;
+import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
 import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
 import com.sencha.gxt.widget.core.client.event.SelectEvent;
 import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
@@ -67,8 +66,8 @@ public class TargetColumnsSelectionPanel extends FramedPanel implements
 	protected static final String HEIGHT = "378px";
 	protected static final String FIELDWIDTH = "526px";
 	protected static final String FIELDSHEIGHT = "336px";
-	protected static final int LABELSIZE = 128;
-	protected static final int COMBOWIDTH = 300;
+	protected static final int LABELSIZE = 120;
+	protected static final int COMBOWIDTH = 270;
 
 	protected TargetColumnsSelectionCard parent;
 	protected TabResource connection;
@@ -148,7 +147,7 @@ public class TargetColumnsSelectionPanel extends FramedPanel implements
 		form.setHeight(FIELDSHEIGHT);
 
 		formLayout = new VerticalLayoutContainer();
-		formLayout.setScrollMode(ScrollMode.AUTO);
+		//formLayout.setScrollMode(ScrollMode.AUTO);
 		formLayout.setAdjustForScroll(true);
 
 		ArrayList<FieldLabel> fields = generateFields();
@@ -160,8 +159,8 @@ public class TargetColumnsSelectionPanel extends FramedPanel implements
 		form.add(formLayout);
 
 		VerticalLayoutContainer v = new VerticalLayoutContainer();
-		v.setHeight(HEIGHT);
-		v.setWidth(WIDTH);
+		//v.setHeight(HEIGHT);
+		//v.setWidth(WIDTH);
 		v.add(toolBarHead, new VerticalLayoutData(1, -1, new Margins(0)));
 		v.add(form, new VerticalLayoutData(1, -1, new Margins(0)));
 
@@ -365,15 +364,16 @@ public class TargetColumnsSelectionPanel extends FramedPanel implements
 		HBoxLayoutContainer flowButton = new HBoxLayoutContainer();
 		flowButton.setHBoxLayoutAlign(HBoxLayoutAlign.MIDDLE);
 		flowButton.setPack(BoxLayoutPack.START);
-
-		flowButton.add(checkNew, new BoxLayoutData(new Margins(2, 4, 2, 4)));
-		flowButton.add(comboColumn, new BoxLayoutData(new Margins(2, 4, 2, 4)));
-		flowButton.add(comboDefColumn, new BoxLayoutData(
-				new Margins(2, 4, 2, 4)));
+		
+		BoxLayoutData boxLayoutData=new BoxLayoutData(new Margins(2, 4, 2, 4));
+		flowButton.add(checkNew, boxLayoutData);
+		flowButton.add(comboColumn, boxLayoutData);
+		flowButton.add(comboDefColumn, boxLayoutData);
 
 		FieldLabel columnLabel = new FieldLabel(flowButton, label);
 		columnLabel.setId(col.getColumnId());
 		comboDefColumn.setVisible(false);
+		
 		return columnLabel;
 	}
 
@@ -469,7 +469,7 @@ public class TargetColumnsSelectionPanel extends FramedPanel implements
 	protected void updatedForm() {
 		form.clear();
 		formLayout = new VerticalLayoutContainer();
-		formLayout.setScrollMode(ScrollMode.AUTO);
+		//formLayout.setScrollMode(ScrollMode.AUTO);
 		formLayout.setAdjustForScroll(true);
 
 		ArrayList<FieldLabel> fields = generateFields();