diff --git a/MainWindow.axaml b/MainWindow.axaml
index 1fcb643..ebe3e58 100644
--- a/MainWindow.axaml
+++ b/MainWindow.axaml
@@ -205,7 +205,7 @@
                         </StackPanel>
                     </TabItem.Header>
                     <Grid ColumnDefinitions="*,*" RowDefinitions="50,2*,*">
-                        <ListBox Grid.RowSpan="2" x:Name="LbResult" Margin="10,10,10,10"></ListBox>
+                        <ListBox Grid.RowSpan="2" x:Name="LbResult" Margin="0,10,10,10"></ListBox>
                         <Button Grid.Row="0" Grid.Column="1" Margin="0,10,0,0" x:Name="BtnExportCoursePDF" VerticalAlignment="Top" Height="35" HorizontalAlignment="Stretch" Click="BtnExportCoursePDF_OnClick" HorizontalContentAlignment="Center">
                             <StackPanel Orientation="Horizontal">
                                 <LucideIcon Kind="FileText" Width="24" Height="24" />