diff --git a/src/sass/_colors.scss b/src/sass/_colors.scss
index 50dfb39..4b527ef 100644
--- a/src/sass/_colors.scss
+++ b/src/sass/_colors.scss
@@ -136,7 +136,7 @@ $sidebar_theme_color:               if($variant == 'light', rgba(black, 0.12), r
 
 //OSD colors
 $osd_fg_color:                      #dadada;
-$osd_bg_color:                      if($trans=='true', rgba(if($darker == 'true', #1a1a1a, #2a2a2a), 0.9), if($darker == 'true', #1a1a1a, #2a2a2a));
+$osd_bg_color:                      if($trans == 'true', rgba(if($darker == 'true', #1a1a1a, #2a2a2a), 0.9), if($darker == 'true', #1a1a1a, #2a2a2a));
 $osd_button_bg:                     rgba(lighten($osd_bg_color, 22%), 0.96);
 $osd_button_border:                 $dark_borders_color;
 $osd_entry_bg:                      rgba(lighten($osd_bg_color, 22%), 0.96);
diff --git a/src/sass/gtk/apps/_xfce.scss b/src/sass/gtk/apps/_xfce.scss
index 803988c..2aad893 100644
--- a/src/sass/gtk/apps/_xfce.scss
+++ b/src/sass/gtk/apps/_xfce.scss
@@ -103,27 +103,27 @@ window#whiskermenu-window {
     padding: 6px;
     margin: 6px;
     border: none;
-    background-color: $bg_color;
+    background-color: if($trans == 'false', $bg_color, rgba($bg_color, 0.95));
     box-shadow: 0 3px 3px 0 $wm_shadow,
                 inset 0 0 0 1px $header_highlight,
                 $wm_outline;
   }
 
   box.categories > button.radio { // sidebar categories button
-    padding: 2px 6px;
-    margin: 2px;
+    padding: $container_padding / 2 $container_padding;
+    margin: 1px 0;
 
     &:hover { background-color: if($variant == 'light', rgba(black, 0.12), rgba(white, 0.12)); }
 
     &:checked, &:active {
-      background-color: $selected_bg_color;
-      color: $selected_fg_color;
+      background-color: if($variant=='light', rgba(black, 0.2), rgba(white, 0.2));
+      color: $fg_color;
 
       &:hover { background-image: none; }
     }
   }
 
-  scrolledwindow.frame {
+  scrolledwindow.frame { // App list (tree)
     padding: $container_padding / 2;
     background-color: $base_color;
     border-radius: $bt_radius;
@@ -141,6 +141,13 @@ window#whiskermenu-window {
 
     // iconview.view { border-radius: 0; }
   }
+
+  .title-area > .commands-area > button.flat.command-button { // Bottom command buttons
+    &:checked, &:active {
+      background-color: if($variant=='light', rgba(black, 0.25), rgba(white, 0.25));
+      color: $fg_color;
+    }
+  }
 }
 
 // Thunar