diff --git a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
index 63b12c312..fab835df1 100644
--- a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
+++ b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
@@ -150,6 +150,7 @@
   .tabbrowser-tab {
     margin-inline-start: 0;
     margin: 0 auto;
+    margin-bottom: 1.5px;
   }
   
   .tabbrowser-tab[pinned] {