A few cosmetic fixes.

Author: GeReV

Catalog.Wpf/App.xaml

@@ -35,6 +35,7 @@
                    TargetType="{x:Type Window}">
                 <Setter Property="Background"
                         Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" />
+                <Setter Property="UseLayoutRounding" Value="True" />
             </Style>
 
             <BitmapImage x:Key="IconApplicationDetail"

Catalog.Wpf/EditGameDialog.xaml

@@ -221,9 +221,17 @@
                                         HorizontalAlignment="Right"
                                         Margin="0,5,0,0">
                                 <StackPanel.Resources>
+                                    <Style TargetType="xctk:IconButton">
+                                        <Setter Property="Height"
+                                                Value="24" />
+                                        <Setter Property="Width"
+                                                Value="24" />
+                                    </Style>
                                     <Style TargetType="Image">
                                         <Setter Property="Width"
                                                 Value="16" />
+                                        <Setter Property="Height"
+                                                Value="16" />
                                     </Style>
                                 </StackPanel.Resources>
                                 <xctk:IconButton Name="DuplicateButton"
@@ -237,8 +245,8 @@
                                     </xctk:IconButton.Icon>
                                 </xctk:IconButton>
                                 <xctk:SplitButton Name="AddItemButton"
+                                                  Height="22"
                                                   ToolTip="Add item"
-                                                  Height="20"
                                                   Command="{Binding AddItemCommand}"
                                                   Margin="0,0,5,0">
                                     <xctk:SplitButton.Content>

Catalog.Wpf/Forms/Controls/AddRemoveButtons.xaml

@@ -13,11 +13,11 @@
                 HorizontalAlignment="Right"
                 Margin="0,5,0,0">
         <StackPanel.Resources>
-            <Style TargetType="xctk:IconButton">
+            <Style TargetType="Image">
                 <Setter Property="Width"
-                        Value="20" />
+                        Value="16" />
                 <Setter Property="Height"
-                        Value="20" />
+                        Value="16" />
             </Style>
         </StackPanel.Resources>
         <xctk:IconButton Name="AddButton"