diff --git a/Il2CppInspector.GUI/MainWindow.xaml b/Il2CppInspector.GUI/MainWindow.xaml
index 1ea60dc..7ae10a0 100644
--- a/Il2CppInspector.GUI/MainWindow.xaml
+++ b/Il2CppInspector.GUI/MainWindow.xaml
@@ -5,15 +5,78 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Il2CppInspector.GUI"
         mc:Ignorable="d"
-        Title="Il2CppInspector" Height="450" Width="800" Background="LightGray">
+        Title="Il2CppInspector" Height="450" Width="800" Background="White">
+    <Window.Resources>
+        <!-- Light box button -->
+        <Style x:Key="FocusVisual">
+            <Setter Property="Control.Template">
+                <Setter.Value>
+                    <ControlTemplate>
+                        <Rectangle Margin="2" StrokeDashArray="1 2" SnapsToDevicePixels="true" StrokeThickness="1" Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+        </Style>
+        <SolidColorBrush x:Key="Button.Static.Background" Color="#FFDDDDDD"/>
+        <SolidColorBrush x:Key="Button.Static.Border" Color="Gray"/>
+        <SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/>
+        <SolidColorBrush x:Key="Button.MouseOver.Border" Color="#FF3C7FB1"/>
+        <SolidColorBrush x:Key="Button.Pressed.Background" Color="#FFC4E5F6"/>
+        <SolidColorBrush x:Key="Button.Pressed.Border" Color="#FF2C628B"/>
+        <SolidColorBrush x:Key="Button.Disabled.Background" Color="#FFF4F4F4"/>
+        <SolidColorBrush x:Key="Button.Disabled.Border" Color="#FFADB2B5"/>
+        <SolidColorBrush x:Key="Button.Disabled.Foreground" Color="#FF838383"/>
+        <Style x:Key="LightBoxButton" TargetType="{x:Type Button}">
+            <Setter Property="FocusVisualStyle" Value="{StaticResource FocusVisual}"/>
+            <Setter Property="Background" Value="{StaticResource Button.Static.Background}"/>
+            <Setter Property="BorderBrush" Value="{StaticResource Button.Static.Border}"/>
+            <Setter Property="Foreground" Value="#00A2ED"/>
+            <Setter Property="BorderThickness" Value="1"/>
+            <Setter Property="HorizontalContentAlignment" Value="Center"/>
+            <Setter Property="VerticalContentAlignment" Value="Center"/>
+            <Setter Property="Padding" Value="1"/>
+            <Setter Property="FontSize" Value="28"/>
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate TargetType="{x:Type Button}">
+                        <Border x:Name="border" Background="White" BorderThickness="2" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" Margin="100" SnapsToDevicePixels="true">
+                            <ContentPresenter x:Name="contentPresenter" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsDefaulted" Value="true">
+                                <Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
+                            </Trigger>
+                            <Trigger Property="IsMouseOver" Value="true">
+                                <Setter Property="Background" TargetName="border" Value="{StaticResource Button.MouseOver.Background}"/>
+                                <Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.MouseOver.Border}"/>
+                            </Trigger>
+                            <Trigger Property="IsPressed" Value="true">
+                                <Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
+                                <Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
+                            </Trigger>
+                            <Trigger Property="IsEnabled" Value="false">
+                                <Setter Property="Background" TargetName="border" Value="{StaticResource Button.Disabled.Background}"/>
+                                <Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Disabled.Border}"/>
+                                <Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="{StaticResource Button.Disabled.Foreground}"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+        </Style>
+    </Window.Resources>
+
+    <!-- Window content -->
     <Grid>
+        <!-- Main content -->
         <Grid>
-            <TextBlock>foo</TextBlock>
+            <TextBlock>Content of window</TextBlock>
+        </Grid>
+
+        <!-- Light boxes -->
+        <Grid Name="areaLoadMetadata">
+            <Rectangle Name="rectModalLightBoxBackground" Fill="Black" Opacity="0.4"></Rectangle>
+            <Button Name="btnSelectMetadataFile" Style="{StaticResource LightBoxButton}" Click="BtnSelectMetadataFile_OnClick">Select an IL2CPP metadata file</Button>
         </Grid>
-        <DockPanel>
-            <Border BorderThickness="4" BorderBrush="Black" CornerRadius="10" Margin="100" Opacity="0.7" Background="LightSteelBlue" Visibility="Visible">
-                <Button Name="btnSelectMetadataFile" Click="BtnSelectMetadataFile_OnClick" BorderThickness="0" Background="Transparent"  HorizontalAlignment="Stretch" VerticalAlignment="Stretch" FontSize="24">Click to select an IL2CPP metadata file</Button>
-            </Border>
-        </DockPanel>
     </Grid>
 </Window>