diff --git a/css/leptonChrome.css b/css/leptonChrome.css
index f5d91f1..9c21a91 100644
--- a/css/leptonChrome.css
+++ b/css/leptonChrome.css
@@ -7237,6 +7237,26 @@
     }
   }
 }
+@supports -moz-bool-pref("userChrome.hidden.selected_tab") {
+  .tabbrowser-tab[selected="true"] {
+    -moz-box-flex: 0 !important;
+    min-width: 0 !important;
+    max-width: 0 !important;
+  }
+}
+@supports -moz-bool-pref("userChrome.hidden.disabled_menu") {
+  menu[disabled="true"],
+  menuitem:not(#context-back, #context-forward)[disabled="true"] {
+    display: none !important;
+  }
+
+  @supports -moz-bool-pref("widget.macos.native-context-menus") or -moz-bool-pref("widget.gtk.native-context-menus") {
+    #context-back[disabled="true"],
+    #context-forward[disabled="true"] {
+      display: none !important;
+    }
+  }
+}
 /** Library - Icons Replace ***************************************************/
 @supports -moz-bool-pref("userChrome.icon.library") {
   /*= Standard Folder - More Visible ===========================================*/
diff --git a/src/hidden/_index.scss b/src/hidden/_index.scss
index 68e405b..07cb5fa 100644
--- a/src/hidden/_index.scss
+++ b/src/hidden/_index.scss
@@ -11,3 +11,29 @@
     }
   }
 }
+
+@include Option("userChrome.hidden.selected_tab") {
+  .tabbrowser-tab[selected="true"] {
+    -moz-box-flex: 0 !important;
+    min-width: 0 !important;
+    max-width: 0 !important;
+  }
+}
+
+@include Option("userChrome.hidden.disabled_menu") {
+  menu,
+  menuitem:not(#context-back, #context-forward) {
+    &[disabled="true"] {
+      display: none !important;
+    }
+  }
+
+  @include NativeMenu {
+    #context-back,
+    #context-forward {
+      &[disabled="true"] {
+        display: none !important;
+      }
+    }
+  }
+}
diff --git a/user.js b/user.js
index ec7cd16..7476ef8 100644
--- a/user.js
+++ b/user.js
@@ -87,6 +87,8 @@ user_pref("userChrome.rounding.square_tab",           false);
 
 // user_pref("userChrome.hidden.tabbar",                       true);
 // user_pref("userChrome.hidden.navbar",                       true);
+// user_pref("userChrome.hidden.selected_tab",                 true);
+// user_pref("userChrome.hidden.disabled_menu",                true);
 
 // user_pref("userChrome.rounding.square_button",              true);
 // user_pref("userChrome.rounding.square_panel",               true);