diff --git a/share/themes/Kali-Dark/gtk-3.0/gtk.css b/share/themes/Kali-Dark/gtk-3.0/gtk.css
index 234b447a..8e0d09d5 100644
--- a/share/themes/Kali-Dark/gtk-3.0/gtk.css
+++ b/share/themes/Kali-Dark/gtk-3.0/gtk.css
@@ -5049,6 +5049,14 @@ headerbar button.toggle:active,
 headerbar button.toggle:checked, button.flat:hover, button:active, button:checked {
   background: #1b1d24;
   box-shadow: inset 0 3px 5px -4px rgba(0, 0, 0, 0.3), 0 1px rgba(255, 255, 255, 0.05); }
+  .titlebar stackswitcher button:backdrop:checked,
+  .titlebar button.toggle:backdrop:active,
+  .titlebar button.toggle:backdrop:checked,
+  headerbar stackswitcher button:backdrop:checked:active,
+  headerbar stackswitcher button:backdrop:checked,
+  headerbar button.toggle:backdrop:active,
+  headerbar button.toggle:backdrop:checked, button.flat:backdrop:hover, button:active:backdrop, button:checked:backdrop {
+    box-shadow: none; }
 
 button.flat {
   border-color: transparent;
diff --git a/share/themes/Kali-Light/gtk-3.0/gtk-dark.css b/share/themes/Kali-Light/gtk-3.0/gtk-dark.css
index 234b447a..8e0d09d5 100644
--- a/share/themes/Kali-Light/gtk-3.0/gtk-dark.css
+++ b/share/themes/Kali-Light/gtk-3.0/gtk-dark.css
@@ -5049,6 +5049,14 @@ headerbar button.toggle:active,
 headerbar button.toggle:checked, button.flat:hover, button:active, button:checked {
   background: #1b1d24;
   box-shadow: inset 0 3px 5px -4px rgba(0, 0, 0, 0.3), 0 1px rgba(255, 255, 255, 0.05); }
+  .titlebar stackswitcher button:backdrop:checked,
+  .titlebar button.toggle:backdrop:active,
+  .titlebar button.toggle:backdrop:checked,
+  headerbar stackswitcher button:backdrop:checked:active,
+  headerbar stackswitcher button:backdrop:checked,
+  headerbar button.toggle:backdrop:active,
+  headerbar button.toggle:backdrop:checked, button.flat:backdrop:hover, button:active:backdrop, button:checked:backdrop {
+    box-shadow: none; }
 
 button.flat {
   border-color: transparent;
diff --git a/share/themes/Kali-Light/gtk-3.0/gtk.css b/share/themes/Kali-Light/gtk-3.0/gtk.css
index 0c86c489..4c638455 100644
--- a/share/themes/Kali-Light/gtk-3.0/gtk.css
+++ b/share/themes/Kali-Light/gtk-3.0/gtk.css
@@ -5071,6 +5071,14 @@ headerbar button.toggle:active,
 headerbar button.toggle:checked, button.flat:hover, button:active, button:checked {
   background: #f2f2f2;
   box-shadow: inset 0 3px 5px -4px rgba(0, 0, 0, 0.1), 0 1px rgba(255, 255, 255, 0.05); }
+  .titlebar stackswitcher button:backdrop:checked,
+  .titlebar button.toggle:backdrop:active,
+  .titlebar button.toggle:backdrop:checked,
+  headerbar stackswitcher button:backdrop:checked:active,
+  headerbar stackswitcher button:backdrop:checked,
+  headerbar button.toggle:backdrop:active,
+  headerbar button.toggle:backdrop:checked, button.flat:backdrop:hover, button:active:backdrop, button:checked:backdrop {
+    box-shadow: none; }
 
 button.flat {
   border-color: transparent;
diff --git a/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss b/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss
index a92c883b..3f9e0358 100644
--- a/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss
+++ b/src/themes/Kali/sass/gtk-sass/_common-tweaks.scss
@@ -25,6 +25,8 @@ button {
   &:checked, {
     background: $dark_fill;
     box-shadow: $_widget_inset_shadow;
+
+    &:backdrop { box-shadow: none; }
   }
 
   &.flat {