diff --git a/examples/address_book/lib/main.dart b/examples/address_book/lib/main.dart
index 964c39f2cfd..9f79aeeb00f 100644
--- a/examples/address_book/lib/main.dart
+++ b/examples/address_book/lib/main.dart
@@ -60,22 +60,20 @@ class AddressBookHome extends StatelessComponent {
   static final GlobalKey noteKey = new GlobalKey(label: 'note field');
 
   Widget buildBody(BuildContext context) {
-    return new Material(
-      child: new Block([
-        new AspectRatio(
-          aspectRatio: 16.0 / 9.0,
-          child: new Container(
-            decoration: new BoxDecoration(backgroundColor: Colors.purple[300])
-          )
-        ),
-        new Field(inputKey: nameKey, icon: "social/person", placeholder: "Name"),
-        new Field(inputKey: phoneKey, icon: "communication/phone", placeholder: "Phone"),
-        new Field(inputKey: emailKey, icon: "communication/email", placeholder: "Email"),
-        new Field(inputKey: addressKey, icon: "maps/place", placeholder: "Address"),
-        new Field(inputKey: ringtoneKey, icon: "av/volume_up", placeholder: "Ringtone"),
-        new Field(inputKey: noteKey, icon: "content/add", placeholder: "Add note"),
-      ])
-    );
+    return new Block([
+      new AspectRatio(
+        aspectRatio: 16.0 / 9.0,
+        child: new Container(
+          decoration: new BoxDecoration(backgroundColor: Colors.purple[300])
+        )
+      ),
+      new Field(inputKey: nameKey, icon: "social/person", placeholder: "Name"),
+      new Field(inputKey: phoneKey, icon: "communication/phone", placeholder: "Phone"),
+      new Field(inputKey: emailKey, icon: "communication/email", placeholder: "Email"),
+      new Field(inputKey: addressKey, icon: "maps/place", placeholder: "Address"),
+      new Field(inputKey: ringtoneKey, icon: "av/volume_up", placeholder: "Ringtone"),
+      new Field(inputKey: noteKey, icon: "content/add", placeholder: "Add note"),
+    ]);
   }
 
   Widget build(BuildContext context) {
diff --git a/examples/fitness/lib/feed.dart b/examples/fitness/lib/feed.dart
index cbb9922bed6..4208a112fba 100644
--- a/examples/fitness/lib/feed.dart
+++ b/examples/fitness/lib/feed.dart
@@ -14,13 +14,11 @@ class FitnessItemList extends StatelessComponent {
   final FitnessItemHandler onDismissed;
 
   Widget build(BuildContext context) {
-    return new Material(
-      child: new ScrollableList<FitnessItem>(
-        padding: const EdgeDims.all(4.0),
-        items: items,
-        itemExtent: kFitnessItemHeight,
-        itemBuilder: (_, item) => item.toRow(onDismissed: onDismissed)
-      )
+    return new ScrollableList<FitnessItem>(
+      padding: const EdgeDims.all(4.0),
+      items: items,
+      itemExtent: kFitnessItemHeight,
+      itemBuilder: (_, item) => item.toRow(onDismissed: onDismissed)
     );
   }
 }
@@ -171,14 +169,13 @@ class FeedFragmentState extends State<FeedFragment> {
   Widget buildBody() {
     TextStyle style = Theme.of(context).text.title;
     if (config.userData == null)
-      return new Material();
-    if (config.userData.items.length == 0)
-      return new Material(
-        child: new Row(
-          [new Text("No data yet.\nAdd some!", style: style)],
-          justifyContent: FlexJustifyContent.center
-        )
+      return new Container();
+    if (config.userData.items.length == 0) {
+      return new Row(
+        [new Text("No data yet.\nAdd some!", style: style)],
+        justifyContent: FlexJustifyContent.center
       );
+    }
     switch (_fitnessMode) {
       case FitnessMode.feed:
         return new FitnessItemList(
@@ -186,11 +183,9 @@ class FeedFragmentState extends State<FeedFragment> {
           onDismissed: _handleItemDismissed
         );
       case FitnessMode.chart:
-        return new Material(
-          child: new Container(
-            padding: const EdgeDims.all(20.0),
-            child: buildChart()
-          )
+        return new Container(
+          padding: const EdgeDims.all(20.0),
+          child: buildChart()
         );
     }
   }
diff --git a/examples/fitness/lib/meal.dart b/examples/fitness/lib/meal.dart
index ea96b91ba6b..fb1765c0f52 100644
--- a/examples/fitness/lib/meal.dart
+++ b/examples/fitness/lib/meal.dart
@@ -85,19 +85,17 @@ class MealFragmentState extends State<MealFragment> {
 
   Widget buildBody() {
     Meal meal = new Meal(when: new DateTime.now());
-    return new Material(
-      child: new ScrollableViewport(
-        child: new Container(
-          padding: const EdgeDims.all(20.0),
-          child: new BlockBody([
-            new Text(meal.displayDate),
-            new Input(
-              key: descriptionKey,
-              placeholder: 'Describe meal',
-              onChanged: _handleDescriptionChanged
-            ),
-          ])
-        )
+    return new ScrollableViewport(
+      child: new Container(
+        padding: const EdgeDims.all(20.0),
+        child: new BlockBody([
+          new Text(meal.displayDate),
+          new Input(
+            key: descriptionKey,
+            placeholder: 'Describe meal',
+            onChanged: _handleDescriptionChanged
+          ),
+        ])
       )
     );
   }
diff --git a/examples/fitness/lib/measurement.dart b/examples/fitness/lib/measurement.dart
index 83b8c88cc0b..394d86c5070 100644
--- a/examples/fitness/lib/measurement.dart
+++ b/examples/fitness/lib/measurement.dart
@@ -172,28 +172,26 @@ class MeasurementFragmentState extends State<MeasurementFragment> {
   Widget buildBody(BuildContext context) {
     Measurement measurement = new Measurement(when: _when);
     // TODO(jackson): Revisit the layout of this pane to be more maintainable
-    return new Material(
-      child: new Container(
-        padding: const EdgeDims.all(20.0),
-        child: new Column([
-          new GestureDetector(
-            onTap: _handleDatePressed,
-            child: new Container(
-              height: 50.0,
-              child: new Column([
-                new Text('Measurement Date'),
-                new Text(measurement.displayDate, style: Theme.of(context).text.caption),
-              ], alignItems: FlexAlignItems.start)
-            )
-          ),
-          new Input(
-            key: weightKey,
-            placeholder: 'Enter weight',
-            keyboardType: KeyboardType.NUMBER,
-            onChanged: _handleWeightChanged
-          ),
-        ], alignItems: FlexAlignItems.stretch)
-      )
+    return new Container(
+      padding: const EdgeDims.all(20.0),
+      child: new Column([
+        new GestureDetector(
+          onTap: _handleDatePressed,
+          child: new Container(
+            height: 50.0,
+            child: new Column([
+              new Text('Measurement Date'),
+              new Text(measurement.displayDate, style: Theme.of(context).text.caption),
+            ], alignItems: FlexAlignItems.start)
+          )
+        ),
+        new Input(
+          key: weightKey,
+          placeholder: 'Enter weight',
+          keyboardType: KeyboardType.NUMBER,
+          onChanged: _handleWeightChanged
+        ),
+      ], alignItems: FlexAlignItems.stretch)
     );
   }
 
diff --git a/examples/fitness/lib/settings.dart b/examples/fitness/lib/settings.dart
index 5c6035290f3..f33b6f0c9c1 100644
--- a/examples/fitness/lib/settings.dart
+++ b/examples/fitness/lib/settings.dart
@@ -92,29 +92,27 @@ class SettingsFragmentState extends State<SettingsFragment> {
   }
 
   Widget buildSettingsPane(BuildContext context) {
-    return new Material(
-      child: new ScrollableViewport(
-        child: new Container(
-          padding: const EdgeDims.symmetric(vertical: 20.0),
-          child: new BlockBody([
-            new DrawerItem(
-              onPressed: () { _handleBackupChanged(!(config.userData.backupMode == BackupMode.enabled)); },
-              child: new Row([
-                new Flexible(child: new Text('Back up data to the cloud')),
-                new Switch(value: config.userData.backupMode == BackupMode.enabled, onChanged: _handleBackupChanged),
-              ])
-            ),
-            new DrawerItem(
-              onPressed: () => _handleGoalWeightPressed(),
-              child: new Column([
-                  new Text('Goal Weight'),
-                  new Text(goalWeightText, style: Theme.of(context).text.caption),
-                ],
-                alignItems: FlexAlignItems.start
-              )
-            ),
-          ])
-        )
+    return new ScrollableViewport(
+      child: new Container(
+        padding: const EdgeDims.symmetric(vertical: 20.0),
+        child: new BlockBody([
+          new DrawerItem(
+            onPressed: () { _handleBackupChanged(!(config.userData.backupMode == BackupMode.enabled)); },
+            child: new Row([
+              new Flexible(child: new Text('Back up data to the cloud')),
+              new Switch(value: config.userData.backupMode == BackupMode.enabled, onChanged: _handleBackupChanged),
+            ])
+          ),
+          new DrawerItem(
+            onPressed: () => _handleGoalWeightPressed(),
+            child: new Column([
+                new Text('Goal Weight'),
+                new Text(goalWeightText, style: Theme.of(context).text.caption),
+              ],
+              alignItems: FlexAlignItems.start
+            )
+          ),
+        ])
       )
     );
   }
diff --git a/examples/stocks/lib/stock_list.dart b/examples/stocks/lib/stock_list.dart
index c49078626b1..8d153f233dd 100644
--- a/examples/stocks/lib/stock_list.dart
+++ b/examples/stocks/lib/stock_list.dart
@@ -12,18 +12,16 @@ class StockList extends StatelessComponent {
   final StockRowActionCallback onAction;
 
   Widget build(BuildContext context) {
-    return new Material(
-      child: new ScrollableList<Stock>(
-        items: stocks,
-        itemExtent: StockRow.kHeight,
-        itemBuilder: (BuildContext context, Stock stock) {
-          return new StockRow(
-            stock: stock,
-            onPressed: onOpen,
-            onLongPressed: onAction
-          );
-        }
-      )
+    return new ScrollableList<Stock>(
+      items: stocks,
+      itemExtent: StockRow.kHeight,
+      itemBuilder: (BuildContext context, Stock stock) {
+        return new StockRow(
+          stock: stock,
+          onPressed: onOpen,
+          onLongPressed: onAction
+        );
+      }
     );
   }
 }
diff --git a/examples/stocks/lib/stock_settings.dart b/examples/stocks/lib/stock_settings.dart
index c0404c7268f..d618bae8cb6 100644
--- a/examples/stocks/lib/stock_settings.dart
+++ b/examples/stocks/lib/stock_settings.dart
@@ -83,35 +83,33 @@ class StockSettingsState extends State<StockSettings> {
   Widget buildSettingsPane(BuildContext context) {
     // TODO(ianh): Once we have the gesture API hooked up, fix https://github.com/domokit/mojo/issues/281
     // (whereby tapping the widgets below causes both the widget and the menu item to fire their callbacks)
-    return new Material(
-      child: new ScrollableViewport(
-        child: new Container(
-          padding: const EdgeDims.symmetric(vertical: 20.0),
-          child: new BlockBody(<Widget>[
-            new DrawerItem(
-              icon: 'action/thumb_up',
-              onPressed: () => _confirmOptimismChange(),
-              child: new Row(<Widget>[
-                new Flexible(child: new Text('Everything is awesome')),
-                new Checkbox(
-                  value: config.optimism == StockMode.optimistic,
-                  onChanged: (bool value) => _confirmOptimismChange()
-                ),
-              ])
-            ),
-            new DrawerItem(
-              icon: 'action/backup',
-              onPressed: () { _handleBackupChanged(!(config.backup == BackupMode.enabled)); },
-              child: new Row(<Widget>[
-                new Flexible(child: new Text('Back up stock list to the cloud')),
-                new Switch(
-                  value: config.backup == BackupMode.enabled,
-                  onChanged: _handleBackupChanged
-                ),
-              ])
-            ),
-          ])
-        )
+    return new ScrollableViewport(
+      child: new Container(
+        padding: const EdgeDims.symmetric(vertical: 20.0),
+        child: new BlockBody(<Widget>[
+          new DrawerItem(
+            icon: 'action/thumb_up',
+            onPressed: () => _confirmOptimismChange(),
+            child: new Row(<Widget>[
+              new Flexible(child: new Text('Everything is awesome')),
+              new Checkbox(
+                value: config.optimism == StockMode.optimistic,
+                onChanged: (bool value) => _confirmOptimismChange()
+              ),
+            ])
+          ),
+          new DrawerItem(
+            icon: 'action/backup',
+            onPressed: () { _handleBackupChanged(!(config.backup == BackupMode.enabled)); },
+            child: new Row(<Widget>[
+              new Flexible(child: new Text('Back up stock list to the cloud')),
+              new Switch(
+                value: config.backup == BackupMode.enabled,
+                onChanged: _handleBackupChanged
+              ),
+            ])
+          ),
+        ])
       )
     );
   }
diff --git a/examples/stocks/lib/stock_symbol_viewer.dart b/examples/stocks/lib/stock_symbol_viewer.dart
index ec0dd6c2758..4faf71d458d 100644
--- a/examples/stocks/lib/stock_symbol_viewer.dart
+++ b/examples/stocks/lib/stock_symbol_viewer.dart
@@ -32,24 +32,22 @@ class StockSymbolViewerState extends State<StockSymbolViewer> {
         ),
         center: new Text('${config.stock.name} (${config.stock.symbol})')
       ),
-      body: new Material(
-        child: new Block(<Widget>[
-          new Container(
-            padding: new EdgeDims.all(20.0),
-            child: new Column(<Widget>[
-                new Text('Last Sale', style: headings),
-                new Text('$lastSale ($changeInPrice)'),
-                new Container(
-                  height: 8.0
-                ),
-                new Text('Market Cap', style: headings),
-                new Text('${config.stock.marketCap}'),
-              ],
-              alignItems: FlexAlignItems.stretch
-            )
+      body: new Block(<Widget>[
+        new Container(
+          padding: new EdgeDims.all(20.0),
+          child: new Column(<Widget>[
+              new Text('Last Sale', style: headings),
+              new Text('$lastSale ($changeInPrice)'),
+              new Container(
+                height: 8.0
+              ),
+              new Text('Market Cap', style: headings),
+              new Text('${config.stock.marketCap}'),
+            ],
+            alignItems: FlexAlignItems.stretch
           )
-        ])
-      )
+        )
+      ])
     );
   }
 
diff --git a/examples/widgets/date_picker.dart b/examples/widgets/date_picker.dart
index 8d871dee0d6..55370950139 100644
--- a/examples/widgets/date_picker.dart
+++ b/examples/widgets/date_picker.dart
@@ -34,12 +34,10 @@ class DatePickerDemoState extends State<DatePickerDemo> {
       child: new Stack([
         new Scaffold(
           toolBar: new ToolBar(center: new Text("Date Picker")),
-          body: new Material(
-            child: new Row(
-              [new Text(_dateTime.toString())],
-              alignItems: FlexAlignItems.end,
-              justifyContent: FlexJustifyContent.center
-            )
+          body: new Row(
+            [new Text(_dateTime.toString())],
+            alignItems: FlexAlignItems.end,
+            justifyContent: FlexJustifyContent.center
           )
         ),
         new Dialog(
diff --git a/examples/widgets/drag_and_drop.dart b/examples/widgets/drag_and_drop.dart
index 63f4d736ad9..ac31dc99408 100644
--- a/examples/widgets/drag_and_drop.dart
+++ b/examples/widgets/drag_and_drop.dart
@@ -103,26 +103,24 @@ class DragAndDropAppState extends State<DragAndDropApp> {
       toolBar: new ToolBar(
         center: new Text('Drag and Drop Flutter Demo')
       ),
-      body: new Material(
-        child: new DefaultTextStyle(
-          style: Theme.of(context).text.body1.copyWith(textAlign: TextAlign.center),
-          child: new Column([
-            new Flexible(child: new Row([
-                new ExampleDragSource(navigator: config.navigator, name: 'Orange', color: const Color(0xFFFF9000)),
-                new ExampleDragSource(navigator: config.navigator, name: 'Teal', color: const Color(0xFF00FFFF)),
-                new ExampleDragSource(navigator: config.navigator, name: 'Yellow', color: const Color(0xFFFFF000)),
-              ],
-              alignItems: FlexAlignItems.center,
-              justifyContent: FlexJustifyContent.spaceAround
-            )),
-            new Flexible(child: new Row([
-              new Flexible(child: new ExampleDragTarget()),
-              new Flexible(child: new ExampleDragTarget()),
-              new Flexible(child: new ExampleDragTarget()),
-              new Flexible(child: new ExampleDragTarget()),
-            ])),
-          ])
-        )
+      body: new DefaultTextStyle(
+        style: Theme.of(context).text.body1.copyWith(textAlign: TextAlign.center),
+        child: new Column([
+          new Flexible(child: new Row([
+              new ExampleDragSource(navigator: config.navigator, name: 'Orange', color: const Color(0xFFFF9000)),
+              new ExampleDragSource(navigator: config.navigator, name: 'Teal', color: const Color(0xFF00FFFF)),
+              new ExampleDragSource(navigator: config.navigator, name: 'Yellow', color: const Color(0xFFFFF000)),
+            ],
+            alignItems: FlexAlignItems.center,
+            justifyContent: FlexJustifyContent.spaceAround
+          )),
+          new Flexible(child: new Row([
+            new Flexible(child: new ExampleDragTarget()),
+            new Flexible(child: new ExampleDragTarget()),
+            new Flexible(child: new ExampleDragTarget()),
+            new Flexible(child: new ExampleDragTarget()),
+          ])),
+        ])
       )
     );
   }
diff --git a/examples/widgets/indexed_stack.dart b/examples/widgets/indexed_stack.dart
index 4c0ce831221..a4e6a25de19 100644
--- a/examples/widgets/indexed_stack.dart
+++ b/examples/widgets/indexed_stack.dart
@@ -40,14 +40,11 @@ class IndexedStackDemoState extends State<IndexedStackDemo> {
       toolBar: new ToolBar(center: new Text('IndexedStackDemo Demo')),
       body: new GestureDetector(
         onTap: _handleTap,
-        child: new Container(
-          decoration: new BoxDecoration(backgroundColor: Theme.of(context).primarySwatch[50]),
-          child: new Center(
-            child: new Container(
-              child: indexedStack,
-              padding: const EdgeDims.all(8.0),
-              decoration: new BoxDecoration(border: new Border.all(color: Theme.of(context).accentColor))
-            )
+        child: new Center(
+          child: new Container(
+            child: indexedStack,
+            padding: const EdgeDims.all(8.0),
+            decoration: new BoxDecoration(border: new Border.all(color: Theme.of(context).accentColor))
           )
         )
       )
diff --git a/examples/widgets/overlay_geometry.dart b/examples/widgets/overlay_geometry.dart
index c59f0f17f1a..ee96d776630 100644
--- a/examples/widgets/overlay_geometry.dart
+++ b/examples/widgets/overlay_geometry.dart
@@ -139,7 +139,6 @@ class OverlayGeometryAppState extends State<OverlayGeometryApp> {
         toolBar: new ToolBar(center: new Text('Tap a Card')),
         body: new Container(
           padding: const EdgeDims.symmetric(vertical: 12.0, horizontal: 8.0),
-          decoration: new BoxDecoration(backgroundColor: Theme.of(context).primarySwatch[50]),
           child: new ScrollableMixedWidgetList(
             builder: builder,
             token: cardModels.length,
diff --git a/examples/widgets/pageable_list.dart b/examples/widgets/pageable_list.dart
index 8dc8c36d1d7..637d4054a95 100644
--- a/examples/widgets/pageable_list.dart
+++ b/examples/widgets/pageable_list.dart
@@ -137,10 +137,7 @@ class PageableListAppState extends State<PageableListApp> {
     );
     return new SizeObserver(
       callback: updatePageSize,
-      child: new Container(
-        child: list,
-        decoration: new BoxDecoration(backgroundColor: Theme.of(context).primarySwatch[50])
-      )
+      child: list
     );
   }
 
diff --git a/examples/widgets/progress_indicator.dart b/examples/widgets/progress_indicator.dart
index fdf2338008a..392d52afd01 100644
--- a/examples/widgets/progress_indicator.dart
+++ b/examples/widgets/progress_indicator.dart
@@ -82,7 +82,6 @@ class ProgressIndicatorAppState extends State<ProgressIndicatorApp> {
       onTap: handleTap,
       child: new Container(
         padding: const EdgeDims.symmetric(vertical: 12.0, horizontal: 8.0),
-        decoration: new BoxDecoration(backgroundColor: Theme.of(context).cardColor),
         child: new BuilderTransition(
           variables: [valueAnimation.variable],
           performance: valueAnimation.view,
diff --git a/examples/widgets/scale.dart b/examples/widgets/scale.dart
index 03c1b92c137..f78524639fb 100644
--- a/examples/widgets/scale.dart
+++ b/examples/widgets/scale.dart
@@ -60,12 +60,10 @@ class ScaleAppState extends State<ScaleApp> {
       child: new Scaffold(
         toolBar: new ToolBar(
             center: new Text('Scale Demo')),
-        body: new Material(
-          child: new GestureDetector(
-            onScaleStart: _handleScaleStart,
-            onScaleUpdate: _handleScaleUpdate,
-            child: new CustomPaint(callback: paint, token: "$_zoom $_offset")
-          )
+        body: new GestureDetector(
+          onScaleStart: _handleScaleStart,
+          onScaleUpdate: _handleScaleUpdate,
+          child: new CustomPaint(callback: paint, token: "$_zoom $_offset")
         )
       )
     );
diff --git a/examples/widgets/scrollbar.dart b/examples/widgets/scrollbar.dart
index eaf38a19337..66893bc7bdc 100644
--- a/examples/widgets/scrollbar.dart
+++ b/examples/widgets/scrollbar.dart
@@ -49,7 +49,6 @@ class ScrollbarAppState extends State<ScrollbarApp> {
     return new Scaffold(
       toolBar: new ToolBar(center: new Text('Scrollbar Demo')),
       body: new Container(
-        decoration: new BoxDecoration(backgroundColor: Theme.of(context).primarySwatch[50]),
         padding: new EdgeDims.all(12.0),
         child: new Center(child: new Card(child: scrollable))
       )
diff --git a/examples/widgets/sector.dart b/examples/widgets/sector.dart
index 38bf7420212..f0f3c9f3c1a 100644
--- a/examples/widgets/sector.dart
+++ b/examples/widgets/sector.dart
@@ -68,56 +68,54 @@ class SectorAppState extends State<SectorApp> {
   }
 
   Widget buildBody() {
-    return new Material(
-      child: new Column(<Widget>[
-          new Container(
-            padding: new EdgeDims.symmetric(horizontal: 8.0, vertical: 25.0),
-            child: new Row(<Widget>[
-                new RaisedButton(
-                  enabled: _enabledAdd,
-                  child: new IntrinsicWidth(
-                    child: new Row(<Widget>[
-                      new Container(
-                        padding: new EdgeDims.all(4.0),
-                        margin: new EdgeDims.only(right: 10.0),
-                        child: new WidgetToRenderBoxAdapter(sectorAddIcon)
-                      ),
-                      new Text('ADD SECTOR'),
-                    ])
-                  ),
-                  onPressed: addSector
+    return new Column(<Widget>[
+        new Container(
+          padding: new EdgeDims.symmetric(horizontal: 8.0, vertical: 25.0),
+          child: new Row(<Widget>[
+              new RaisedButton(
+                enabled: _enabledAdd,
+                child: new IntrinsicWidth(
+                  child: new Row(<Widget>[
+                    new Container(
+                      padding: new EdgeDims.all(4.0),
+                      margin: new EdgeDims.only(right: 10.0),
+                      child: new WidgetToRenderBoxAdapter(sectorAddIcon)
+                    ),
+                    new Text('ADD SECTOR'),
+                  ])
                 ),
-                new RaisedButton(
-                  enabled: _enabledRemove,
-                  child: new IntrinsicWidth(
-                    child: new Row(<Widget>[
-                      new Container(
-                        padding: new EdgeDims.all(4.0),
-                        margin: new EdgeDims.only(right: 10.0),
-                        child: new WidgetToRenderBoxAdapter(sectorRemoveIcon)
-                      ),
-                      new Text('REMOVE SECTOR'),
-                    ])
-                  ),
-                  onPressed: removeSector
-                )
-              ],
-              justifyContent: FlexJustifyContent.spaceAround
-            )
-          ),
-          new Flexible(
-            child: new Container(
-              margin: new EdgeDims.all(8.0),
-              decoration: new BoxDecoration(
-                border: new Border.all(color: new Color(0xFF000000))
+                onPressed: addSector
               ),
-              padding: new EdgeDims.all(8.0),
-              child: new WidgetToRenderBoxAdapter(sectors)
-            )
-          ),
-        ],
-        justifyContent: FlexJustifyContent.spaceBetween
-      )
+              new RaisedButton(
+                enabled: _enabledRemove,
+                child: new IntrinsicWidth(
+                  child: new Row(<Widget>[
+                    new Container(
+                      padding: new EdgeDims.all(4.0),
+                      margin: new EdgeDims.only(right: 10.0),
+                      child: new WidgetToRenderBoxAdapter(sectorRemoveIcon)
+                    ),
+                    new Text('REMOVE SECTOR'),
+                  ])
+                ),
+                onPressed: removeSector
+              )
+            ],
+            justifyContent: FlexJustifyContent.spaceAround
+          )
+        ),
+        new Flexible(
+          child: new Container(
+            margin: new EdgeDims.all(8.0),
+            decoration: new BoxDecoration(
+              border: new Border.all(color: new Color(0xFF000000))
+            ),
+            padding: new EdgeDims.all(8.0),
+            child: new WidgetToRenderBoxAdapter(sectors)
+          )
+        ),
+      ],
+      justifyContent: FlexJustifyContent.spaceBetween
     );
   }
 
diff --git a/examples/widgets/tabs.dart b/examples/widgets/tabs.dart
index 5a84f93234a..b0f97fd6331 100644
--- a/examples/widgets/tabs.dart
+++ b/examples/widgets/tabs.dart
@@ -96,9 +96,8 @@ class TabbedNavigatorAppState extends State<TabbedNavigatorApp> {
 
   Container _buildCard(BuildContext context, TabNavigator tabNavigator) {
     return new Container(
-     child: new Card(child: new Padding(child: tabNavigator, padding: const EdgeDims.all(8.0))),
-     padding: const EdgeDims.all(12.0),
-     decoration: new BoxDecoration(backgroundColor: Theme.of(context).primarySwatch[100])
+      padding: const EdgeDims.all(12.0),
+      child: new Card(child: new Padding(child: tabNavigator, padding: const EdgeDims.all(8.0)))
     );
   }
 
diff --git a/packages/flutter/lib/src/material/scaffold.dart b/packages/flutter/lib/src/material/scaffold.dart
index 4496187e761..6eb8b399527 100644
--- a/packages/flutter/lib/src/material/scaffold.dart
+++ b/packages/flutter/lib/src/material/scaffold.dart
@@ -7,6 +7,7 @@ import 'dart:ui' as ui;
 import 'package:flutter/widgets.dart';
 
 import 'constants.dart';
+import 'material.dart';
 
 class Scaffold extends StatelessComponent {
   Scaffold({
@@ -38,7 +39,9 @@ class Scaffold extends StatelessComponent {
     if (body != null) {
       children.add(new Positioned(
         top: toolBarHeight, right: 0.0, bottom: statusBarHeight, left: 0.0,
-        child: body
+        child: new Material(
+          child: body
+        )
       ));
     }