modified some styles

src/Shared/HandyControl_Shared/Themes/Styles/Button.xaml

@@ -12,7 +12,7 @@
         <Setter Property="BorderThickness" Value="1"/>
         <Style.Triggers>
             <Trigger Property="IsMouseOver" Value="True">
-                <Setter Property="Background" Value="{DynamicResource DarkDefaultBrush}"/>
+                <Setter Property="Background" Value="{DynamicResource SecondaryRegionBrush}"/>
             </Trigger>
             <Trigger Property="IsPressed" Value="True">
                 <Setter Property="Background" Value="{DynamicResource BorderBrush}"/>
@@ -75,7 +75,7 @@
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="Button">
-                    <Border x:Name="Chrome" SnapsToDevicePixels="true" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}">
+                    <Border x:Name="Chrome" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" SnapsToDevicePixels="true" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" Background="{TemplateBinding Background}">
                         <ContentPresenter Margin="{TemplateBinding Padding}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                     </Border>
                     <ControlTemplate.Triggers>