diff --git a/examples/buttons/buttons.qml b/examples/buttons/buttons.qml
index 0dfe19f0..8ac52c30 100644
--- a/examples/buttons/buttons.qml
+++ b/examples/buttons/buttons.qml
@@ -9,7 +9,6 @@ Qsk.Window
 
     width: 600
     height: 600
-    color: "Beige"
 
     Component.onCompleted:
     {
@@ -30,9 +29,10 @@ Qsk.Window
     {
         orientation: Qt.Horizontal
         dimension: 3
+        panel : true // to have a themed background
 
-        //margins: 10 // only possible with Qt <= 6.1
-        margins { left: 10; top: 10; right: 10; bottom: 10 } 
+        // padding: 10 // only possible with Qt <= 6.1
+        padding { left: 10; top: 10; right: 10; bottom: 10 } 
         spacing: 10
 
         TestButton
diff --git a/examples/gallery/main.cpp b/examples/gallery/main.cpp
index 42e8b280..fd2f41ad 100644
--- a/examples/gallery/main.cpp
+++ b/examples/gallery/main.cpp
@@ -271,8 +271,11 @@ int main( int argc, char* argv[] )
     Qsk::addGraphicProvider( QString(), new GraphicProvider() );
     Qsk::addGraphicProvider( "shapes", new SkinnyShapeProvider() );
 
-    // dialogs in faked windows -> QskSubWindow
-    QskDialog::instance()->setPolicy( QskDialog::EmbeddedBox );
+    if ( true ) // environment variable, TODO ...
+    {
+        // dialogs in faked windows -> QskSubWindow
+        QskDialog::instance()->setPolicy( QskDialog::EmbeddedBox );
+    }
 
     QGuiApplication app( argc, argv );
 
diff --git a/examples/glabels/glabels.qml b/examples/glabels/glabels.qml
index 096a4003..0bf32278 100644
--- a/examples/glabels/glabels.qml
+++ b/examples/glabels/glabels.qml
@@ -8,15 +8,15 @@ Qsk.Window
     width: 600
     height: 600
 
-    color: "Beige"
-
     Qsk.LinearBox
     {
         orientation: Qt.Horizontal
+        panel: true
+
         dimension: 3
 
-        //margins: 10
-        margins { left: 10; top: 10; right: 10; bottom: 10 }
+        //padding: 10
+        padding { left: 10; top: 10; right: 10; bottom: 10 }
         spacing: 20
 
         Repeater
diff --git a/examples/layouts/main.cpp b/examples/layouts/main.cpp
index e14cf38f..66ba5509 100644
--- a/examples/layouts/main.cpp
+++ b/examples/layouts/main.cpp
@@ -20,6 +20,29 @@
 
 #include <QGuiApplication>
 
+namespace
+{
+    class TabView : public QskTabView
+    {
+      public:
+        TabView( QQuickItem* parent = nullptr )
+            : QskTabView( parent )
+        {
+            setMargins( 10 );
+            setTabBarEdge( Qt::LeftEdge );
+            setAutoFitTabs( true );
+    
+            addTab( "Grid Layout", new GridLayoutPage() );
+            addTab( "Flow Layout", new FlowLayoutPage() );
+            addTab( "Linear Layout", new LinearLayoutPage() );
+            addTab( "Dynamic\nConstraints", new DynamicConstraintsPage() );
+            addTab( "Stack Layout", new StackLayoutPage() );
+    
+            setCurrentIndex( 0 );
+        }
+    };
+}
+
 int main( int argc, char* argv[] )
 {
 #ifdef ITEM_STATISTICS
@@ -32,25 +55,16 @@ int main( int argc, char* argv[] )
 
     SkinnyShortcut::enable( SkinnyShortcut::AllShortcuts );
 
-    auto tabView = new QskTabView();
+    auto box = new QskBox(); // to have a themed application background
+    box->setAutoLayoutChildren( true );
 
-    tabView->setMargins( 10 );
-    tabView->setTabBarEdge( Qt::LeftEdge );
-    tabView->setAutoFitTabs( true );
-
-    tabView->addTab( "Grid Layout", new GridLayoutPage() );
-    tabView->addTab( "Flow Layout", new FlowLayoutPage() );
-    tabView->addTab( "Linear Layout", new LinearLayoutPage() );
-    tabView->addTab( "Dynamic\nConstraints", new DynamicConstraintsPage() );
-    tabView->addTab( "Stack Layout", new StackLayoutPage() );
-
-    tabView->setCurrentIndex( 0 );
+    (void) new TabView( box );
 
     QSize size( 800, 600 );
-    size = size.expandedTo( tabView->sizeHint().toSize() );
+    size = size.expandedTo( box->sizeHint().toSize() );
 
     QskWindow window;
-    window.addItem( tabView );
+    window.addItem( box );
     window.addItem( new QskFocusIndicator() );
 
     window.resize( size );
diff --git a/examples/qvgviewer/MainWindow.cpp b/examples/qvgviewer/MainWindow.cpp
index d53eabdf..1a53bef4 100644
--- a/examples/qvgviewer/MainWindow.cpp
+++ b/examples/qvgviewer/MainWindow.cpp
@@ -28,7 +28,7 @@ class GraphicLabel : public QskGraphicLabel
   public:
     enum Role
     {
-        Normal,
+        Normal = 1000,
         Inverted
     };
 
@@ -94,7 +94,8 @@ MainWindow::MainWindow()
     invertButton->setLayoutAlignmentHint( Qt::AlignRight );
 
     auto box = new QskLinearBox( Qt::Vertical );
-    box->setMargins( 5 );
+    box->setPanel( true );
+    box->setPadding( 5 );
     box->addItem( invertButton );
     box->addItem( m_tabView );
 
diff --git a/examples/qvgviewer/main.cpp b/examples/qvgviewer/main.cpp
index 58a2c338..b5b6af36 100644
--- a/examples/qvgviewer/main.cpp
+++ b/examples/qvgviewer/main.cpp
@@ -20,7 +20,8 @@ int main( int argc, char* argv[] )
 
     QGuiApplication app( argc, argv );
 
-    SkinnyShortcut::enable( SkinnyShortcut::AllShortcuts );
+    SkinnyShortcut::enable( SkinnyShortcut::DebugBackground |
+        SkinnyShortcut::DebugStatistics | SkinnyShortcut::Quit );
 
     auto focusIndicator = new QskFocusIndicator();
     focusIndicator->setObjectName( "FocusIndicator" );
diff --git a/examples/tabview/main.cpp b/examples/tabview/main.cpp
index b352ed96..020fe49f 100644
--- a/examples/tabview/main.cpp
+++ b/examples/tabview/main.cpp
@@ -160,8 +160,9 @@ int main( int argc, char* argv[] )
 
     auto layoutBox = new QskLinearBox( Qt::Vertical );
     layoutBox->setDefaultAlignment( Qt::AlignLeft );
-    layoutBox->setMargins( 20 );
+    layoutBox->setPadding( 20 );
     layoutBox->setSpacing( 10 );
+    layoutBox->setPanel( true );
     layoutBox->addItem( buttonBox );
     layoutBox->addItem( tabView );
 
diff --git a/examples/thumbnails/main.cpp b/examples/thumbnails/main.cpp
index afac5d69..e0a7c7e3 100644
--- a/examples/thumbnails/main.cpp
+++ b/examples/thumbnails/main.cpp
@@ -77,8 +77,6 @@ class Thumbnail : public QskPushButton
 
         setBoxShapeHint( QskPushButton::Panel, QskBoxShapeMetrics( 20, Qt::RelativeSize ) );
         setStrutSizeHint( QskPushButton::Icon, -1, -1 );
-
-        setSection( QskAspect::Header ); // to make them flat
     }
 
   private:
@@ -191,7 +189,8 @@ class ScrollArea : public QskScrollArea
     {
         // settings usually done in the skins
         setBoxBorderMetricsHint( Viewport, 2 );
-        setBoxShapeHint( Viewport, 20 );
+        setBoxBorderColorsHint( Viewport, Qt::gray ); // works with most color schemes
+        setBoxShapeHint( Viewport, 40 ); // a radius to see that clipping works
 
         for ( auto subControl : { HorizontalScrollBar, VerticalScrollBar } )
             setMetric( subControl | QskAspect::Size, 20 );
@@ -257,7 +256,8 @@ int main( int argc, char* argv[] )
      */
 
     auto box = new QskLinearBox( Qt::Vertical );
-    box->setMargins( 20 );
+    box->setPanel( true );
+    box->setPadding( 20 );
 
     auto buttonBox = new QskLinearBox( Qt::Horizontal, box );
     buttonBox->setSizePolicy( Qt::Vertical, QskSizePolicy::Fixed );
@@ -280,7 +280,6 @@ int main( int argc, char* argv[] )
 
     QskWindow window;
     window.resize( 600, 600 );
-    window.setColor( "SteelBlue" );
     window.addItem( box );
     window.addItem( focusIndicator );
 
diff --git a/playground/dialogbuttons/Window.cpp b/playground/dialogbuttons/Window.cpp
index e53cd480..0db8b6cb 100644
--- a/playground/dialogbuttons/Window.cpp
+++ b/playground/dialogbuttons/Window.cpp
@@ -14,7 +14,8 @@ Window::Window( Qt::Orientation orientation )
 {
     m_layoutBox = new QskLinearBox( invertedOrientation() );
     m_layoutBox->setObjectName( "MainBox" );
-    m_layoutBox->setMargins( 10 );
+    m_layoutBox->setPanel( true );
+    m_layoutBox->setPadding( 10 );
     m_layoutBox->setExtraSpacingAt( Qt::BottomEdge | Qt::RightEdge );
 
     addBox( QskDialog::Ok );
diff --git a/playground/inputpanel/main.cpp b/playground/inputpanel/main.cpp
index 6cd7facc..6f611a25 100644
--- a/playground/inputpanel/main.cpp
+++ b/playground/inputpanel/main.cpp
@@ -329,7 +329,8 @@ class Window : public QskWindow
     {
         auto box = new QskLinearBox( Qt::Horizontal );
         box->setSpacing( 10 );
-        box->setMargins( 20 );
+        box->setPadding( 10 );
+        box->setPanel( true );
 
         auto listView = new LocaleListView( box );
         auto inputBox = new InputBox( box );
@@ -367,14 +368,14 @@ int main( int argc, char* argv[] )
 
     Window window1;
     window1.setObjectName( "Window 1" );
-    window1.setColor( "PapayaWhip" );
+    window1.setTitle( "Window 1" );
     window1.resize( 600, 600 );
     window1.show();
 
 #if 1
     Window window2;
     window2.setObjectName( "Window 2" );
-    window2.setColor( "Pink" );
+    window2.setTitle( "Window 2" );
     window2.setX( window1.x() + 100 );
     window2.resize( 600, 600 );
     window2.show();
diff --git a/playground/shadows/main.cpp b/playground/shadows/main.cpp
index 44d24bd3..2d6d6de9 100644
--- a/playground/shadows/main.cpp
+++ b/playground/shadows/main.cpp
@@ -65,7 +65,8 @@ class GridBox : public QskGridBox
     GridBox( QQuickItem* parent = nullptr )
         : QskGridBox( parent )
     {
-        setMargins( 5 );
+        setPanel( true );
+        setPadding( 5 );
         setColumnStretchFactor( 1, 1 );
 
         auto sliderX = new Slider( -50, 50, 1, 10 );