diff --git a/userChrome.css b/userChrome.css
index f2edb39..7009404 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -968,7 +968,7 @@
   .tabbrowser-tab[visuallyselected]::after {
     border-color: var(--tabs-border-color) !important;
     margin-top: 0 !important;
-    margin-bottom: var(--tabs-navbar-shadow-size) !important;
+    margin-bottom: 0 !important;
     opacity: 1 !important;
   }