diff --git a/OptionWindow/OptionWindowV.xaml b/OptionWindow/OptionWindowV.xaml
index 4385906..fd0d22b 100644
--- a/OptionWindow/OptionWindowV.xaml
+++ b/OptionWindow/OptionWindowV.xaml
@@ -44,7 +44,7 @@
          <UniformGrid Columns="2">
             <TextBlock Text="{Binding ThicknessToleranceMsg}"/>
             <EgtWPFLib5:EgtTextBox Text="{Binding ThicknessTolerance}"
-                                   Margin="13,0,0,0"
+                                   Margin="36,0,0,0"
                                    TextAlignment="Right"/>
          </UniformGrid>
       </GroupBox>
@@ -58,7 +58,7 @@
                  <ColumnDefinition Width="3*"/>
                  <ColumnDefinition Width="1*"/>
              </Grid.ColumnDefinitions>
-             <TextBlock Text="{Binding LabelFileName}"/>
+             <TextBlock Text="{Binding LabelFileName}" VerticalAlignment="Center"/>
              <Button Content="{Binding BrowseMsg}" Grid.Column="1"
                   Command="{Binding BrowseCommand}"
                   Style="{StaticResource OptionPanel_TextButton}"
@@ -112,6 +112,9 @@
 
              <ListBox ItemsSource="{Binding MaterialList}"
                   SelectedItem="{Binding SelMaterial}"
+                  Background="{StaticResource Omag_Black}"
+                  Foreground="{StaticResource Omag_White}"
+                  BorderThickness="0"
                   Grid.RowSpan="2"
                   Margin="0,0,0,5"
                   Height="150"/>
diff --git a/Utility/Dictionary.xaml b/Utility/Dictionary.xaml
index 4fd9a15..18fc1bc 100644
--- a/Utility/Dictionary.xaml
+++ b/Utility/Dictionary.xaml
@@ -748,4 +748,16 @@
 
     <!-- ______________________________________________________________________________________________________________________________________________ -->
 
+    <!-- GroupBox -->
+
+    <Style TargetType="{x:Type GroupBox}" BasedOn="{StaticResource {x:Type GroupBox}}">
+        <Setter Property="BorderThickness" Value="{StaticResource BorderGpBx_Thickness}"/>
+        <Setter Property="BorderBrush" Value="{StaticResource Omag_White}"/>
+        <Setter Property="Foreground" Value="{StaticResource Omag_White}"/>
+        <Setter Property="Margin" Value="0,0,0,0"/>
+    </Style>
+
+    <!-- ______________________________________________________________________________________________________________________________________________ -->
+    
+    
 </ResourceDictionary>