diff --git a/src/sass/gtk/apps/_gnome-3.22.scss b/src/sass/gtk/apps/_gnome-3.22.scss
index 730144f..ac431f8 100644
--- a/src/sass/gtk/apps/_gnome-3.22.scss
+++ b/src/sass/gtk/apps/_gnome-3.22.scss
@@ -1972,6 +1972,7 @@ window.background.csd {
   @if $monterey == 'false' {
     background-color: darken($header_bg, 10%);
     box-shadow: inset 0 -1px $borders_color;
+    margin-top: -1px;
   } @else {
     background-color: $header_bg;
     border-bottom: 1px solid $borders_color;
@@ -1981,9 +1982,6 @@ window.background.csd {
   > tab {
     @if $monterey == 'false' {
       @extend %tabs_tab;
-      border-top: 1px solid $borders_color;
-
-      &:checked { border-top-color: $header_bg; }
     } @else {
       @extend %monterey_tab;