diff --git a/userChrome-dark.css b/userChrome-dark.css
index ff5241f..55645fd 100644
--- a/userChrome-dark.css
+++ b/userChrome-dark.css
@@ -17,6 +17,10 @@
   padding-inline-start: 15px !important;
 }
 
+#tabbrowser-tabs{
+	margin-left:-15px;
+}
+
 .titlebar-placeholder {
   border: none !important;
 }
diff --git a/userChrome-default.css b/userChrome-default.css
index a8c4f5c..9e34e40 100644
--- a/userChrome-default.css
+++ b/userChrome-default.css
@@ -17,6 +17,10 @@
   padding-inline-start: 15px !important;
 }
 
+#tabbrowser-tabs{
+	margin-left:-15px;
+}
+
 .titlebar-placeholder {
   border: none !important;
 }
diff --git a/userChrome-light.css b/userChrome-light.css
index bd11369..8f9382e 100644
--- a/userChrome-light.css
+++ b/userChrome-light.css
@@ -17,6 +17,10 @@
   padding-inline-start: 15px !important;
 }
 
+#tabbrowser-tabs{
+	margin-left:-15px;
+}
+
 .titlebar-placeholder {
   border: none !important;
 }