diff --git a/src/internal/ui/sidebar.go b/src/internal/ui/sidebar.go
index 18beb89..099f903 100644
--- a/src/internal/ui/sidebar.go
+++ b/src/internal/ui/sidebar.go
@@ -77,7 +77,9 @@ func renderNavButton(th *material.Theme, icon *widget.Icon, label string, btn *w
 		}
 
 		return in.Layout(gtx, func(gtx layout.Context) layout.Dimensions {
-			return material.IconButton(th, btn, icon, label).Layout(gtx)
+			btn := material.IconButton(th, btn, icon, label)
+			btn.Size = unit.Dp(30)
+			return btn.Layout(gtx)
 		})
 	}
 }
diff --git a/src/internal/ui/views.go b/src/internal/ui/views.go
index 6367a57..8686151 100644
--- a/src/internal/ui/views.go
+++ b/src/internal/ui/views.go
@@ -27,7 +27,7 @@ func renderView(th *material.Theme) layout.Widget {
 
 // renderMainView displays the main view
 func renderMainView(gtx layout.Context, th *material.Theme) layout.Dimensions {
-	title := material.H1(th, "Welcome to ICDB")
+	title := material.H2(th, "Welcome to ICDB")
 	title.Color = color.NRGBA{R: 127, G: 0, B: 0, A: 255}
 	title.Alignment = text.Middle
 	return title.Layout(gtx)
@@ -35,14 +35,14 @@ func renderMainView(gtx layout.Context, th *material.Theme) layout.Dimensions {
 
 // renderPartsView displays the parts list
 func renderPartsView(gtx layout.Context, th *material.Theme) layout.Dimensions {
-	title := material.H1(th, "Parts Management")
+	title := material.H2(th, "Parts Management")
 	title.Alignment = text.Middle
 	return title.Layout(gtx)
 }
 
 // renderSettingsView displays the settings view
 func renderSettingsView(gtx layout.Context, th *material.Theme) layout.Dimensions {
-	title := material.H1(th, "Settings")
+	title := material.H2(th, "Settings")
 	title.Alignment = text.Middle
 	return title.Layout(gtx)
 }