diff --git a/userChrome.css b/userChrome.css
index 2daf25c..48f0166 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -405,6 +405,7 @@
       --menuitem-disabled-hover-background-color: var(--win-disabled-bgcolor) !important;
     }
 
+    /*- Toolbar --------------------------------------------------------------*/
     :root:not(:-moz-lwtheme) #titlebar,
     :root[lwt-default-theme-in-dark-mode] #titlebar {
       --button-hover-bgcolor: var(--win-sidebar-button-hover-bgcolor);
@@ -413,13 +414,17 @@
       --toolbarbutton-active-background: var(--win-sidebar-button-hover-active-bgcolor);
     }
 
+    /*- Sidebar --------------------------------------------------------------*/
+    #sidebar-box:not([lwt-sidebar]) {
+      appearance: none !important;
+    }
+    :root:not(:-moz-lwtheme) #sidebar-box,
+    :root[lwt-default-theme-in-dark-mode] #sidebar-box {
+      --sidebar-background-color: var(--win-sidebar-bgcolor) !important;
+      --sidebar-text-color: var(--win-text-color) !important;
+      --sidebar-border-color: var(--win-sidebar-border-color) !important;
+    }
     @media (-moz-toolbar-prefers-color-scheme: dark) {
-      :root:not(:-moz-lwtheme) #sidebar-box,
-      :root[lwt-default-theme-in-dark-mode] #sidebar-box {
-        --sidebar-background-color: var(--win-sidebar-bgcolor) !important;
-        --sidebar-text-color: var(--win-text-color) !important;
-        --sidebar-border-color: var(--win-sidebar-border-color) !important;
-      }
       .sidebar-panel[style="--newtab-background-color: rgba(43, 42, 51, 1); --newtab-text-primary-color: rgba(251, 251, 254, 1); --lwt-sidebar-background-color: rgb(56, 56, 61); --lwt-sidebar-text-color: rgba(249, 249, 250, 1);"],
       body[lwt-sidebar][style="--newtab-background-color: rgba(43, 42, 51, 1); --newtab-text-primary-color: rgba(251, 251, 254, 1); --lwt-sidebar-background-color: rgb(56, 56, 61); --lwt-sidebar-text-color: rgba(249, 249, 250, 1);"],
       .sidebar-panel[style="--newtab-background-color: rgb(43, 42, 51); --newtab-text-primary-color: rgba(251, 251, 254, 1); --lwt-sidebar-background-color: rgb(56, 56, 61); --lwt-sidebar-text-color: rgba(249, 249, 250, 1);"], /* Nightly */