diff --git a/src/sass/_colors.scss b/src/sass/_colors.scss
index 69068f8a..f16916a4 100644
--- a/src/sass/_colors.scss
+++ b/src/sass/_colors.scss
@@ -98,7 +98,7 @@ $disabled_bg_color:                 if($variant == 'light', mix($bg_color, $base
 
 // Headerbar colors
 $header_bg:                         if($variant == 'light', #ffffff, #373737);
-$dark_header_bg:                    if($trans == 'true', transparentize($base_color, 0.04), $base_color);
+$dark_header_bg:                    if($trans == 'true', rgba($base_color, 0.95), $base_color);
 $header_highlight:                  if($variant == 'dark', #434343, #f5f5f5);
 
 $header_bg_backdrop:                if($variant == 'light', darken($header_bg, 0%), darken($header_bg, 0%));
diff --git a/src/sass/gtk/_applications-3.0.scss b/src/sass/gtk/_applications-3.0.scss
index 353d98a1..13cedb25 100644
--- a/src/sass/gtk/_applications-3.0.scss
+++ b/src/sass/gtk/_applications-3.0.scss
@@ -78,15 +78,15 @@ $nautilus_sidebar_image: image($dark_sidebar_bg);
 @if $nautilus_style == 'stable' {
   $nautilus_sidebar_image: linear-gradient(90deg, $dark_sidebar_bg 0%,
                                                   $dark_sidebar_bg $nautilus_sidebar_size,
-                                                  transparent $nautilus_sidebar_size,
-                                                  transparent 100%);
+                                                  rgba($dark_sidebar_bg, 0) $nautilus_sidebar_size,
+                                                  rgba($dark_sidebar_bg, 0) 100%);
 
   $nautilus_bg_image: linear-gradient(90deg, $dark_sidebar_bg 0%,
                                              $dark_sidebar_bg $nautilus_sidebar_size,
                                              $nautilus_borders_color $nautilus_sidebar_size,
                                              $nautilus_borders_color ($nautilus_sidebar_size + 1px),
-                                             $base_color ($nautilus_sidebar_size + 1px),
-                                             $base_color 100%);
+                                             $dark_sidebar_bg ($nautilus_sidebar_size + 1px),
+                                             $dark_sidebar_bg 100%);
 }
 
 @if $nautilus_style == 'default' or $nautilus_style == 'glassy' {
@@ -104,29 +104,33 @@ $nautilus_sidebar_image: image($dark_sidebar_bg);
 }
 
 @if $nautilus_style == 'default' or $nautilus_style == 'stable' {
-  $nautilus_header_borders_image: linear-gradient(90deg, transparent $nautilus_sidebar_size,
+  $nautilus_header_borders_image: linear-gradient(90deg, rgba($header_border, 0) $nautilus_sidebar_size,
                                                          $header_border $nautilus_sidebar_size);
 }
 
 @if $nautilus_style == 'stable' or $nautilus_style == 'default' {
   @if $nautilus_version == 'new' {
-    $nautilus_header_image: linear-gradient(90deg, transparent $nautilus_sidebar_size,
+    $nautilus_header_image: linear-gradient(90deg, rgba($dark_header_bg, 0) $nautilus_sidebar_size,
                                                    $nautilus_borders_color $nautilus_sidebar_size,
                                                    $nautilus_borders_color ($nautilus_sidebar_size + 1px),
-                                                   $base_color ($nautilus_sidebar_size + 1px));
+                                                   $dark_header_bg ($nautilus_sidebar_size + 1px));
   } @else {
     $nautilus_header_image: linear-gradient(90deg, $dark_sidebar_bg $nautilus_sidebar_size,
                                                    $nautilus_borders_color $nautilus_sidebar_size,
                                                    $nautilus_borders_color ($nautilus_sidebar_size + 1px),
-                                                   $base_color ($nautilus_sidebar_size + 1px));
+                                                   $dark_header_bg ($nautilus_sidebar_size + 1px));
   }
 }
 
 @else if $nautilus_style == 'glassy' {
+  @if $nautilus_version == 'new' {
+    $nautilus_bg_image: image(rgba($dark_sidebar_bg, 0));
+  }
+
   $nautilus_header_image: linear-gradient(90deg, $dark_sidebar_bg ($nautilus_sidebar_size/2),
                                                  $dark_header_bg 40%);
 
-  $nautilus_header_borders_image: linear-gradient(90deg, transparent (($nautilus_sidebar_size/2) - 40px),
+  $nautilus_header_borders_image: linear-gradient(90deg, rgba($header_border, 0) (($nautilus_sidebar_size/2) - 40px),
                                                          $header_border 40%);
 }
 
@@ -174,6 +178,10 @@ $nautilus_sidebar_image: image($dark_sidebar_bg);
         &.frame { border-right: 1px solid $nautilus_borders_color; }
       }
 
+      @if $nautilus_style == 'glassy' {
+        background-image: $nautilus_sidebar_image;
+      }
+
       list { margin-bottom: 6px; }
 
       row.sidebar-row {
diff --git a/src/sass/gtk/_common-3.0.scss b/src/sass/gtk/_common-3.0.scss
index 3b27cab5..9508244f 100644
--- a/src/sass/gtk/_common-3.0.scss
+++ b/src/sass/gtk/_common-3.0.scss
@@ -96,14 +96,12 @@ $background_radius_style: 0 0 $wm_radius $wm_radius;
 $maximized_radius_style: 0 0 $maximized_radius $maximized_radius;
 
 .background {
-  // border-radius: 0 0 $wm_radius $wm_radius;
   color: $fg_color;
   background-color: rgba($bg_color, 1);
 
-  // > box > stack { background-color: $bg_color; }
-
   &.csd {
     border-radius: $background_radius_style; // Set csd windows botttom border radius
+    background-color: rgba($bg_color, 0.999);
 
     &.maximized, &.tiled, &.fullscreen {
       border-radius: $maximized_radius_style; // Set csd windows botttom border radius