Xamarin Forms style resets

gistfile1.xml

<!-- Put this inside App.xaml -->
<!-- if you don't know how to add App.xaml to your project use this guide: http://goo.gl/GuXMDD/>

<!-- Some default style resets -->
<Style TargetType="Grid">
  <Setter Property="Padding"
  		  Value="0" />
  <Setter Property="RowSpacing"
          Value="0" />
  <Setter Property="ColumnSpacing"
          Value="0" />
</Style>

<Style TargetType="StackLayout">
  <Setter Property="Padding"
          Value="0" />
  <Setter Property="Spacing"
          Value="0" />
</Style>

<Style TargetType="Frame">
  <Setter Property="Padding"
          Value="0" />
</Style>