Can't get scrolling on first Tab

Hi Guys,

please have a look at TMS Web Project

I am trying to get the first tab to wrap and scroll.

The 2 other tabs work as expected.

Which bit have I got wrong please.

procedure TForm7.WebResponsiveGridPanel1LayoutChange(Sender: TObject;
  ALayout: TResponsiveLayoutItem);
begin
      case ALayout.Index of
  0:
    begin
     // WebImageControl1.URL := 'videoThumbnails/Logo20.png';
       // webgridPanel1.ColumnCollection.Items[0].Value := 50;
       // webgridPanel1.ColumnCollection.Items[1].Value := 50;

    end;
  1:
    begin
    // need to move dowm
         // WebImageControl1.URL := 'videoThumbnails/Logo20.png';
          webgridPanel1.ColumnCollection.Items[0].Value := 99;
          webgridPanel1.ColumnCollection.Items[1].Value := 1;
         //  webgridPanel1.ControlCollection.Items[0].
          webgridPanel1.ControlCollection.Items[2].Control := WebResponsiveGridPanel2 ;
          webgridPanel1.ControlCollection.Items[3].Control := WebMultimediaPlayer4;
          webgridPanel1.ControlCollection.Items[4].Control := webButton3;
    end;
  2:
    begin
    //  WebImageControl1.URL := 'videoThumbnails/Logo15.png';
      webgridPanel1.ColumnCollection.Items[0].Value := 70;
      webgridPanel1.ColumnCollection.Items[1].Value := 30;
                webgridPanel1.ControlCollection.Items[1].Control := WebResponsiveGridPanel2 ;
          webgridPanel1.ControlCollection.Items[2].Control := WebMultimediaPlayer4;
          webgridPanel1.ControlCollection.Items[3].Control := webButton3;

    end;
  end;
end;

Not sure your code gives enough information to understand what is causing this.
What I see is a gridpanel with fixed height in a scrollbox. Maybe it is client aligned and therefore doesn't cause the scrollbar to appear?

Thanks Bruno. I couldn't see the trees for the woods.