Merge branch 'master' into feature/relative-panel

src/Avalonia.Themes.Fluent/Accents/Base.xaml

@@ -12,7 +12,7 @@
     <Color x:Key="SystemColorHotlight">#FF0066CC</Color>
     <Color x:Key="SystemColorWindow">#FFFFFFFF</Color>
     <Color x:Key="SystemColorWindowText">#FF000000</Color>
-    <FontFamily x:Key="ContentControlThemeFontFamily">avares://Avalonia.Themes.Fluent/Assets#Open Sans</FontFamily>
+    <FontFamily x:Key="ContentControlThemeFontFamily">avares://Avalonia.Themes.Fluent/Assets#Lato</FontFamily>
     <sys:Double x:Key="ControlContentThemeFontSize">13</sys:Double>
 
     <SolidColorBrush x:Key="SystemControlTransparentBrush" Color="Transparent" />

src/Avalonia.Themes.Fluent/Button.xaml

@@ -77,6 +77,19 @@
     <Setter Property="TextBlock.Foreground" Value="{DynamicResource AccentButtonForegroundPressed}" />
   </Style>
 
+  <Style Selector="Button">
+    <Setter Property="RenderTransform" Value="none" />
+    <Setter Property="Transitions">
+      <Transitions>
+        <TransformOperationsTransition Property="RenderTransform" Duration="0:0:.15" />
+      </Transitions>
+    </Setter>
+  </Style>
+
+  <Style Selector="Button:pressed">
+    <Setter Property="RenderTransform" Value="scale(0.98)" />    
+  </Style>
+
   <Style Selector="Button.accent:disabled /template/ ContentPresenter">
     <Setter Property="Background" Value="{DynamicResource AccentButtonBackgroundDisabled}" />
     <Setter Property="BorderBrush" Value="{DynamicResource AccentButtonBorderBrushDisabled}" />