diff --git a/src/ClaudeDo.Ui/Views/MainWindow.axaml b/src/ClaudeDo.Ui/Views/MainWindow.axaml
index 0a1e280..fdf7058 100644
--- a/src/ClaudeDo.Ui/Views/MainWindow.axaml
+++ b/src/ClaudeDo.Ui/Views/MainWindow.axaml
@@ -109,12 +109,12 @@
           <Run Text="{Binding UpdateBannerLatestVersion}"/>
         </TextBlock>
         <Button Grid.Column="1"
+                Classes="btn"
                 Margin="0,0,8,0"
-                Padding="10,3"
                 Content="Update now"
                 Command="{Binding UpdateNowCommand}"/>
         <Button Grid.Column="2"
-                Padding="10,3"
+                Classes="btn"
                 Content="Dismiss"
                 Command="{Binding DismissBannerCommand}"/>
       </Grid>