diff --git a/banner.js b/banner.js
index 70d3de4..2c1be6b 100644
--- a/banner.js
+++ b/banner.js
@@ -169,6 +169,10 @@
     container.style.setProperty('flex', '0 0 auto', 'important');
     container.style.setProperty('min-width', '0', 'important');
     container.style.setProperty('width', 'fit-content', 'important');
+    // MUI buttons carry their own horizontal padding around the content
+    // (icon + label); the icon span itself now fits tightly (confirmed via
+    // devtools), so any remaining right-side gap is this padding.
+    container.style.setProperty('padding', '0 8px', 'important');
   }
 
   function isHomePage() {