Adwaita: Use hidpi assetswip/hidpi

8 files changed, 332 insertions, 214 deletions

diff --git a/themes/Adwaita/gtk-3.0/gnome-applications-dark-overrides.css b/themes/Adwaita/gtk-3.0/gnome-applications-dark-overrides.css
index 4dc00343..7a7e694d 100644
--- a/themes/Adwaita/gtk-3.0/gnome-applications-dark-overrides.css
+++ b/themes/Adwaita/gtk-3.0/gnome-applications-dark-overrides.css
@@ -10,7 +10,7 @@
 /* Epiphany */
 
 EphyToolbar .location-entry .button {
-    border-image-source: url("borders/generic-border-dark.png");
+    border-image-source: -gtk-scaled(url("borders/generic-border-dark.png"),url("borders/generic-border-dark@2.png"));
 }
 
 EphyToolbar .location-entry .button:backdrop,
diff --git a/themes/Adwaita/gtk-3.0/gnome-applications.css b/themes/Adwaita/gtk-3.0/gnome-applications.css
index fce617ef..120b95d3 100644
--- a/themes/Adwaita/gtk-3.0/gnome-applications.css
+++ b/themes/Adwaita/gtk-3.0/gnome-applications.css
@@ -472,7 +472,7 @@ EphyToolbar .entry:focus:last-child {
 EphyToolbar .location-entry .button {
     color: @internal_element_color;
     -GtkButton-child-displacement-y: 0;
-    border-image-source: url("borders/generic-border.png");
+    border-image-source: -gtk-scaled(url("borders/generic-border.png"),url("borders/generic-border@2.png"));
     border-image-slice: 3 3 4 3;
     border-image-repeat: stretch;
     border-width: 1px 1px 2px 1px;
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-assets-dark.css b/themes/Adwaita/gtk-3.0/gtk-widgets-assets-dark.css
index 7d9d15c4..6b17243b 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-assets-dark.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-assets-dark.css
@@ -35,14 +35,14 @@
 /* draw regular check and radio items using our SVG assets */
 .check,
 .view.cell.check {
-    background-image: url("assets/checkbox-unchecked-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked-dark.png"),url("assets/checkbox-unchecked-dark@2.png"));
     background-repeat: no-repeat;
     background-position: center;
 }
 
 
 .check:insensitive {
-    background-image: url("assets/checkbox-unchecked-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked-insensitive-dark.png"),url("assets/checkbox-unchecked-insensitive-dark@2.png"));
 }
 
 .check row:insensitive {
@@ -53,66 +53,66 @@
 .check:backdrop,
 .view.cell.check:backdrop,
 .check row:selected:backdrop {
-    background-image: url("assets/checkbox-unchecked-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked-backdrop-dark.png"),url("assets/checkbox-unchecked-backdrop-dark@2.png"));
 }
 
 .check:insensitive:backdrop,
 .check row:selected:insensitive:backdrop {
-    background-image: url("assets/checkbox-unchecked-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked-backdrop-insensitive-dark.png"),url("assets/checkbox-unchecked-backdrop-insensitive-dark@2.png"));
 }
 
 .check:active,
 .view.cell.check:active {
-    background-image: url("assets/checkbox-checked-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked-dark.png"),url("assets/checkbox-checked-dark@2.png"));
 }
 
 
 .check:active:insensitive {
-    background-image: url("assets/checkbox-checked-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked-insensitive-dark.png"),url("assets/checkbox-checked-insensitive-dark@2.png"));
 }
 
 
 .check:active:backdrop,
 .view.cell:active:backdrop,
 .check row:selected:active:backdrop {
-    background-image: url("assets/checkbox-checked-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked-backdrop-dark.png"),url("assets/checkbox-checked-backdrop-dark@2.png"));
 }
 
 .check:active:insensitive:backdrop,
 .check row:selected:active:insensitive:backdrop {
-    background-image: url("assets/checkbox-checked-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked-backdrop-insensitive-dark.png"),url("assets/checkbox-checked-backdrop-insensitive-dark@2.png"));
 }
 
 
 .check:inconsistent {
-    background-image: url("assets/checkbox-mixed-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed-dark.png"),url("assets/checkbox-mixed-dark@2.png"));
 }
 
 .check:inconsistent:insensitive {
-    background-image: url("assets/checkbox-mixed-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed-insensitive-dark.png"),url("assets/checkbox-mixed-insensitive-dark@2.png"));
 }
 
 
 .check:inconsistent:backdrop,
 .check row:selected:inconsistent:backdrop {
-    background-image: url("assets/checkbox-mixed-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed-backdrop-dark.png"),url("assets/checkbox-mixed-backdrop-dark@2.png"));
 }
 
 .check:inconsistent:insensitive:backdrop,
 .check row:selected:inconsistent:insensitive:backdrop {
-    background-image: url("assets/checkbox-mixed-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed-backdrop-insensitive-dark.png"),url("assets/checkbox-mixed-backdrop-insensitive-dark@2.png"));
 }
 
 .radio,
 .view.cell.radio {
-    background-image: url("assets/radio-unchecked-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked-dark.png"),url("assets/radio-unchecked-dark@2.png"));
     background-repeat: no-repeat;
     background-position: center;
 }
 
 
 .radio:insensitive {
-    background-image: url("assets/radio-unchecked-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked-insensitive-dark.png"),url("assets/radio-unchecked-insensitive-dark@2.png"));
 }
 
 .radio row:insensitive {
@@ -123,56 +123,56 @@
 .radio:backdrop,
 .view.cell.radio:backdrop,
 .radio row:selected:backdrop {
-    background-image: url("assets/radio-unchecked-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked-backdrop-dark.png"),url("assets/radio-unchecked-backdrop-dark@2.png"));
 }
 
 .radio:insensitive:backdrop,
 .radio row:selected:insensitive:backdrop {
-    background-image: url("assets/radio-unchecked-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked-backdrop-insensitive-dark.png"),url("assets/radio-unchecked-backdrop-insensitive-dark@2.png"));
 }
 
 
 .radio:active,
 .view.cell.radio:active {
-    background-image: url("assets/radio-checked-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-checked-dark.png"),url("assets/radio-checked-dark@2.png"));
 }
 
 
 .radio:active:insensitive {
-    background-image: url("assets/radio-checked-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-checked-insensitive-dark.png"),url("assets/radio-checked-insensitive-dark@2.png"));
 }
 
 
 .radio:active:backdrop,
 .view.cell.radio:active:backdrop,
 .radio row:selected:active:backdrop {
-    background-image: url("assets/radio-checked-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-checked-backdrop-dark.png"),url("assets/radio-checked-backdrop-dark@2.png"));
 }
 
 .radio:active:insensitive:backdrop,
 .radio row:selected:active:insensitive:backdrop {
-    background-image: url("assets/radio-checked-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-checked-backdrop-insensitive-dark.png"),url("assets/radio-checked-backdrop-insensitive-dark@2.png"));
 }
 
 
 .radio:inconsistent {
-    background-image: url("assets/radio-mixed-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed-dark.png"),url("assets/radio-mixed-dark@2.png"));
 }
 
 
 .radio:inconsistent:insensitive {
-    background-image: url("assets/radio-mixed-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed-insensitive-dark.png"),url("assets/radio-mixed-insensitive-dark@2.png"));
 }
 
 
 .radio:inconsistent:backdrop,
 .radio row:selected:inconsistent:backdrop {
-    background-image: url("assets/radio-mixed-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed-backdrop-dark.png"),url("assets/radio-mixed-backdrop-dark@2.png"));
 }
 
 .radio:inconsistent:insensitive:backdrop,
 .radio row:selected:inconsistent:insensitive:backdrop {
-    background-image: url("assets/radio-mixed-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed-backdrop-insensitive-dark.png"),url("assets/radio-mixed-backdrop-insensitive-dark@2.png"));
 }
 
 .sidebar .radio:active,
@@ -266,126 +266,126 @@
 }
 
 .scale.scale-has-marks-above.slider.horizontal {
-    background-image: url("assets/scale-slider-up-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-dark.png"),url("assets/scale-slider-up-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:hover {
-    background-image: url("assets/scale-slider-up-hover-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-hover-dark.png"),url("assets/scale-slider-up-hover-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:active,
 .scale.scale-has-marks-above.slider.horizontal:active:hover {
-    background-image: url("assets/scale-slider-up-active-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-active-dark.png"),url("assets/scale-slider-up-active-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:insensitive,
 .scale.scale-has-marks-above.slider.horizontal:insensitive:hover {
-    background-image: url("assets/scale-slider-up-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-insensitive-dark.png"),url("assets/scale-slider-up-insensitive-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:backdrop,
 .scale.scale-has-marks-above.slider.horizontal:backdrop:hover {
-    background-image: url("assets/scale-slider-up-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-backdrop-dark.png"),url("assets/scale-slider-up-backdrop-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:backdrop:insensitive,
 .scale.scale-has-marks-above.slider.horizontal:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-up-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-backdrop-insensitive-dark.png"),url("assets/scale-slider-up-backdrop-insensitive-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical {
-    background-image: url("assets/scale-slider-left-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-dark.png"),url("assets/scale-slider-left-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:hover {
-    background-image: url("assets/scale-slider-left-hover-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-hover-dark.png"),url("assets/scale-slider-left-hover-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:active,
 .scale.scale-has-marks-above.slider.vertical:active:hover {
-    background-image: url("assets/scale-slider-left-active-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-active-dark.png"),url("assets/scale-slider-left-active-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:insensitive,
 .scale.scale-has-marks-above.slider.vertical:insensitive:hover {
-    background-image: url("assets/scale-slider-left-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-insensitive-dark.png"),url("assets/scale-slider-left-insensitive-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:backdrop,
 .scale.scale-has-marks-above.slider.vertical:backdrop:hover {
-    background-image: url("assets/scale-slider-left-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-backdrop-dark.png"),url("assets/scale-slider-left-backdrop-dark@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:backdrop:insensitive,
 .scale.scale-has-marks-above.slider.vertical:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-left-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-backdrop-insensitive-dark.png"),url("assets/scale-slider-left-backdrop-insensitive-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal {
-    background-image: url("assets/scale-slider-down-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-dark.png"),url("assets/scale-slider-down-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:hover {
-    background-image: url("assets/scale-slider-down-hover-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-hover-dark.png"),url("assets/scale-slider-down-hover-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:active,
 .scale.scale-has-marks-below.slider.horizontal:active:hover {
-    background-image: url("assets/scale-slider-down-active-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-active-dark.png"),url("assets/scale-slider-down-active-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:insensitive,
 .scale.scale-has-marks-below.slider.horizontal:insensitive:hover {
-    background-image: url("assets/scale-slider-down-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-insensitive-dark.png"),url("assets/scale-slider-down-insensitive-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:backdrop,
 .scale.scale-has-marks-below.slider.horizontal:backdrop:hover {
-    background-image: url("assets/scale-slider-down-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-backdrop-dark.png"),url("assets/scale-slider-down-backdrop-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:backdrop:insensitive,
 .scale.scale-has-marks-below.slider.horizontal:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-down-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-backdrop-insensitive-dark.png"),url("assets/scale-slider-down-backdrop-insensitive-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical {
-    background-image: url("assets/scale-slider-right-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-dark.png"),url("assets/scale-slider-right-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:hover {
-    background-image: url("assets/scale-slider-right-hover-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-hover-dark.png"),url("assets/scale-slider-right-hover-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:active,
 .scale.scale-has-marks-below.slider.vertical:active:hover {
-    background-image: url("assets/scale-slider-right-active-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-active-dark.png"),url("assets/scale-slider-right-active-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:insensitive,
 .scale.scale-has-marks-below.slider.vertical:insensitive:hover {
-    background-image: url("assets/scale-slider-right-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-insensitive-dark.png"),url("assets/scale-slider-right-insensitive-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:backdrop,
 .scale.scale-has-marks-below.slider.vertical:backdrop:hover {
-    background-image: url("assets/scale-slider-right-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-backdrop-dark.png"),url("assets/scale-slider-right-backdrop-dark@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:backdrop:insensitive,
 .scale.scale-has-marks-below.slider.vertical:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-right-backdrop-insensitive-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-backdrop-insensitive-dark.png"),url("assets/scale-slider-right-backdrop-insensitive-dark@2.png"));
 }
 
 /********************************
  * Touch text selection handles *
  ********************************/
 .cursor-handle.bottom {
-    background-image: url("assets/scale-slider-up-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-backdrop-dark.png"),url("assets/scale-slider-up-backdrop-dark@2.png"));
 }
 
 .cursor-handle.top {
-    background-image: url("assets/scale-slider-down-backdrop-dark.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-backdrop-dark.png"),url("assets/scale-slider-down-backdrop-dark@2.png"));
 }
 
 /****************
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css b/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css
index f495cfaf..a50479cd 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-assets.css
@@ -35,13 +35,13 @@
 /* draw regular check and radio items using our SVG assets */
 .check,
 .view.cell.check {
-    background-image: url("assets/checkbox-unchecked.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked.png"),url("assets/checkbox-unchecked@2.png"));
     background-repeat: no-repeat;
     background-position: center;
 }
 
 .check:insensitive {
-    background-image: url("assets/checkbox-unchecked-insensitive.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked-insensitive.png"),url("assets/checkbox-unchecked-insensitive@2.png"));
 }
 
 .check row:insensitive {
@@ -51,64 +51,64 @@
 .check:backdrop,
 .view.cell.check:backdrop,
 .check row:selected:backdrop {
-    background-image: url("assets/checkbox-unchecked-backdrop.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked-backdrop.png"),url("assets/checkbox-unchecked-backdrop@2.png"));
 }
 
 .check:insensitive:backdrop,
 .check row:selected:insensitive:backdrop {
-    background-image: url("assets/checkbox-unchecked-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/checkbox-unchecked-backdrop-insensitive.png"),url("assets/checkbox-unchecked-backdrop-insensitive@2.png"));
 }
 
 .check:active,
 .view.cell.check:active {
-    background-image: url("assets/checkbox-checked.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked.png"),url("assets/checkbox-checked@2.png"));
 }
 
 .check:active:insensitive {
-    background-image: url("assets/checkbox-checked-insensitive.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked-insensitive.png"),url("assets/checkbox-checked-insensitive@2.png"));
 }
 
 
 .check:active:backdrop,
 .view.cell:active:backdrop,
 .check row:selected:active:backdrop {
-    background-image: url("assets/checkbox-checked-backdrop.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked-backdrop.png"),url("assets/checkbox-checked-backdrop@2.png"));
 }
 
 .check:active:insensitive:backdrop,
 .check row:selected:active:insensitive:backdrop {
-    background-image: url("assets/checkbox-checked-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/checkbox-checked-backdrop-insensitive.png"),url("assets/checkbox-checked-backdrop-insensitive@2.png"));
 }
 
 
 .check:inconsistent {
-    background-image: url("assets/checkbox-mixed.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed.png"),url("assets/checkbox-mixed@2.png"));
 }
 
 .check:inconsistent:insensitive {
-    background-image: url("assets/checkbox-mixed-insensitive.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed-insensitive.png"),url("assets/checkbox-mixed-insensitive@2.png"));
 }
 
 
 .check:inconsistent:backdrop,
 .check row:selected:inconsistent:backdrop {
-    background-image: url("assets/checkbox-mixed-backdrop.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed-backdrop.png"),url("assets/checkbox-mixed-backdrop@2.png"));
 }
 
 .check:inconsistent:insensitive:backdrop,
 .check row:selected:inconsistent:insensitive:backdrop {
-    background-image: url("assets/checkbox-mixed-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/checkbox-mixed-backdrop-insensitive.png"),url("assets/checkbox-mixed-backdrop-insensitive@2.png"));
 }
 
 .radio,
 .view.cell.radio {
-    background-image: url("assets/radio-unchecked.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked.png"),url("assets/radio-unchecked@2.png"));
     background-repeat: no-repeat;
     background-position: center;
 }
 
 .radio:insensitive {
-    background-image: url("assets/radio-unchecked-insensitive.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked-insensitive.png"),url("assets/radio-unchecked-insensitive@2.png"));
 }
 
 .radio row:insensitive {
@@ -118,52 +118,52 @@
 .radio:backdrop,
 .view.cell.radio:backdrop,
 .radio row:selected:backdrop {
-    background-image: url("assets/radio-unchecked-backdrop.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked-backdrop.png"),url("assets/radio-unchecked-backdrop@2.png"));
 }
 
 .radio:insensitive:backdrop,
 .radio row:selected:insensitive:backdrop {
-    background-image: url("assets/radio-unchecked-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/radio-unchecked-backdrop-insensitive.png"),url("assets/radio-unchecked-backdrop-insensitive@2.png"));
 }
 
 
 .radio:active,
 .view.cell.radio:active {
-    background-image: url("assets/radio-checked.png");
+    background-image: -gtk-scaled(url("assets/radio-checked.png"),url("assets/radio-checked@2.png"));
 }
 
 .radio:active:insensitive {
-    background-image: url("assets/radio-checked-insensitive.png");
+    background-image: -gtk-scaled(url("assets/radio-checked-insensitive.png"),url("assets/radio-checked-insensitive@2.png"));
 }
 
 .radio:active:backdrop,
 .view.cell.radio:active:backdrop,
 .radio row:selected:active:backdrop {
-    background-image: url("assets/radio-checked-backdrop.png");
+    background-image: -gtk-scaled(url("assets/radio-checked-backdrop.png"),url("assets/radio-checked-backdrop@2.png"));
 }
 
 .radio:active:insensitive:backdrop,
 .radio row:selected:active:insensitive:backdrop {
-    background-image: url("assets/radio-checked-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/radio-checked-backdrop-insensitive.png"),url("assets/radio-checked-backdrop-insensitive@2.png"));
 }
 
 
 .radio:inconsistent {
-    background-image: url("assets/radio-mixed.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed.png"),url("assets/radio-mixed@2.png"));
 }
 
 .radio:inconsistent:insensitive {
-    background-image: url("assets/radio-mixed-insensitive.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed-insensitive.png"),url("assets/radio-mixed-insensitive@2.png"));
 }
 
 .radio:inconsistent:backdrop,
 .radio row:selected:inconsistent:backdrop {
-    background-image: url("assets/radio-mixed-backdrop.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed-backdrop.png"),url("assets/radio-mixed-backdrop@2.png"));
 }
 
 .radio:inconsistent:insensitive:backdrop,
 .radio row:selected:inconsistent:insensitive:backdrop {
-    background-image: url("assets/radio-mixed-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/radio-mixed-backdrop-insensitive.png"),url("assets/radio-mixed-backdrop-insensitive@2.png"));
 }
 
 .sidebar .view.radio:active,
@@ -257,126 +257,126 @@
 }
 
 .scale.scale-has-marks-above.slider.horizontal {
-    background-image: url("assets/scale-slider-up.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up.png"),url("assets/scale-slider-up@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:hover {
-    background-image: url("assets/scale-slider-up-hover.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-hover.png"),url("assets/scale-slider-up-hover@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:active,
 .scale.scale-has-marks-above.slider.horizontal:active:hover {
-    background-image: url("assets/scale-slider-up-active.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-active.png"),url("assets/scale-slider-up-active@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:insensitive,
 .scale.scale-has-marks-above.slider.horizontal:insensitive:hover {
-    background-image: url("assets/scale-slider-up-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-insensitive.png"),url("assets/scale-slider-up-insensitive@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:backdrop,
 .scale.scale-has-marks-above.slider.horizontal:backdrop:hover {
-    background-image: url("assets/scale-slider-up-backdrop.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-backdrop.png"),url("assets/scale-slider-up-backdrop@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.horizontal:backdrop:insensitive,
 .scale.scale-has-marks-above.slider.horizontal:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-up-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-backdrop-insensitive.png"),url("assets/scale-slider-up-backdrop-insensitive@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical {
-    background-image: url("assets/scale-slider-left.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left.png"),url("assets/scale-slider-left@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:hover {
-    background-image: url("assets/scale-slider-left-hover.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-hover.png"),url("assets/scale-slider-left-hover@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:active,
 .scale.scale-has-marks-above.slider.vertical:active:hover {
-    background-image: url("assets/scale-slider-left-active.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-active.png"),url("assets/scale-slider-left-active@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:insensitive,
 .scale.scale-has-marks-above.slider.vertical:insensitive:hover {
-    background-image: url("assets/scale-slider-left-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-insensitive.png"),url("assets/scale-slider-left-insensitive@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:backdrop,
 .scale.scale-has-marks-above.slider.vertical:backdrop:hover {
-    background-image: url("assets/scale-slider-left-backdrop.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-backdrop.png"),url("assets/scale-slider-left-backdrop@2.png"));
 }
 
 .scale.scale-has-marks-above.slider.vertical:backdrop:insensitive,
 .scale.scale-has-marks-above.slider.vertical:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-left-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-left-backdrop-insensitive.png"),url("assets/scale-slider-left-backdrop-insensitive@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal {
-    background-image: url("assets/scale-slider-down.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down.png"),url("assets/scale-slider-down@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:hover {
-    background-image: url("assets/scale-slider-down-hover.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-hover.png"),url("assets/scale-slider-down-hover@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:active,
 .scale.scale-has-marks-below.slider.horizontal:active:hover {
-    background-image: url("assets/scale-slider-down-active.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-active.png"),url("assets/scale-slider-down-active@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:insensitive,
 .scale.scale-has-marks-below.slider.horizontal:insensitive:hover {
-    background-image: url("assets/scale-slider-down-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-insensitive.png"),url("assets/scale-slider-down-insensitive@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:backdrop,
 .scale.scale-has-marks-below.slider.horizontal:backdrop:hover {
-    background-image: url("assets/scale-slider-down-backdrop.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-backdrop.png"),url("assets/scale-slider-down-backdrop@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.horizontal:backdrop:insensitive,
 .scale.scale-has-marks-below.slider.horizontal:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-down-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-backdrop-insensitive.png"),url("assets/scale-slider-down-backdrop-insensitive@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical {
-    background-image: url("assets/scale-slider-right.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right.png"),url("assets/scale-slider-right@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:hover {
-    background-image: url("assets/scale-slider-right-hover.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-hover.png"),url("assets/scale-slider-right-hover@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:active,
 .scale.scale-has-marks-below.slider.vertical:active:hover {
-    background-image: url("assets/scale-slider-right-active.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-active.png"),url("assets/scale-slider-right-active@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:insensitive,
 .scale.scale-has-marks-below.slider.vertical:insensitive:hover {
-    background-image: url("assets/scale-slider-right-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-insensitive.png"),url("assets/scale-slider-right-insensitive@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:backdrop,
 .scale.scale-has-marks-below.slider.vertical:backdrop:hover {
-    background-image: url("assets/scale-slider-right-backdrop.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-backdrop.png"),url("assets/scale-slider-right-backdrop@2.png"));
 }
 
 .scale.scale-has-marks-below.slider.vertical:backdrop:insensitive,
 .scale.scale-has-marks-below.slider.vertical:backdrop:insensitive:hover {
-    background-image: url("assets/scale-slider-right-backdrop-insensitive.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-right-backdrop-insensitive.png"),url("assets/scale-slider-right-backdrop-insensitive@2.png"));
 }
 
 /********************************
  * Touch text selection handles *
  ********************************/
 .cursor-handle.bottom {
-    background-image: url("assets/scale-slider-up-backdrop.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-up-backdrop.png"),url("assets/scale-slider-up-backdrop@2.png"));
 }
 
 .cursor-handle.top {
-    background-image: url("assets/scale-slider-down-backdrop.png");
+    background-image: -gtk-scaled(url("assets/scale-slider-down-backdrop.png"),url("assets/scale-slider-down-backdrop@2.png"));
 }
 
 /****************
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css b/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css
index 54fb55a5..3c31245f 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css
@@ -16,7 +16,7 @@ GtkComboBox.combobox-entry .button,
 .trough.highlight,
 GtkSwitch.trough,
 GtkSwitch.trough:active:insensitive {
-    border-image: url("borders/generic-border-dark.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/generic-border-dark.png"),url("borders/generic-border-dark@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -37,7 +37,7 @@ GtkComboBox.combobox-entry .entry:focus,
 .button.default:active,
 .inline-toolbar.toolbar.vertical .button.default:active,
 GtkSwitch.trough:active { 
-    border-image: url("borders/generic-border-focused-dark.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/generic-border-focused-dark.png"),url("borders/generic-border-focused-dark@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -48,7 +48,7 @@ GtkSwitch.trough:active {
 .button,
 .spinbutton.vertical .button,
 .inline-toolbar.toolbar.vertical .button {
-    border-image: url("borders/button-border-dark.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/button-border-dark.png"),url("borders/button-border-dark@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -57,7 +57,7 @@ GtkSwitch.trough:active {
 
 /* focused button borders */
 .button.default { 
-    border-image: url("borders/button-border-default-dark.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/button-border-default-dark.png"),url("borders/button-border-default-dark@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -100,7 +100,7 @@ GtkSwitch.trough:active {
 .primary-toolbar GtkSwitch.trough:active:insensitive,
 .primary-toolbar GtkComboBox .button:active,
 .primary-toolbar GtkComboBox .button:insensitive {
-    border-image: url("borders/primary-toolbar-generic-border-dark.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-generic-border-dark.png"),url("borders/primary-toolbar-generic-border-dark@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
@@ -113,7 +113,7 @@ GtkSwitch.trough:active {
 .primary-toolbar .button.raised.default:active,
 .primary-toolbar .raised .button.default:active,
 .inline-toolbar.toolbar .button.default:active {
-    border-image: url("borders/primary-toolbar-generic-border-focused-dark.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-generic-border-focused-dark.png"),url("borders/primary-toolbar-generic-border-focused-dark@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
@@ -125,7 +125,7 @@ GtkSwitch.trough:active {
 .primary-toolbar .raised .button,
 .inline-toolbar.toolbar .button,
 .primary-toolbar GtkComboBox .button {
-    border-image: url("borders/primary-toolbar-button-border-dark.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-button-border-dark.png"),url("borders/primary-toolbar-button-border-dark@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
@@ -136,7 +136,7 @@ GtkSwitch.trough:active {
 .primary-toolbar .button.raised.default,
 .primary-toolbar .raised .button.default,
 .inline-toolbar.toolbar .button.default {
-    border-image: url("borders/primary-toolbar-button-border-default-dark.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-button-border-default-dark.png"),url("borders/primary-toolbar-button-border-default-dark@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css b/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css
index 5fb82a1d..5f5f7af5 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css
@@ -16,7 +16,7 @@ GtkComboBox.combobox-entry .button,
 .trough.highlight,
 GtkSwitch.trough,
 GtkSwitch.trough:active:insensitive {
-    border-image: url("borders/generic-border.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/generic-border.png"),url("borders/generic-border@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -37,7 +37,7 @@ GtkComboBox.combobox-entry .entry:focus,
 .button.default:active,
 .inline-toolbar.toolbar.vertical .button.default:active,
 GtkSwitch.trough:active { 
-    border-image: url("borders/generic-border-focused.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/generic-border-focused.png"),url("borders/generic-border-focused@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -48,7 +48,7 @@ GtkSwitch.trough:active {
 .button,
 .spinbutton.vertical .button,
 .inline-toolbar.toolbar.vertical .button {
-    border-image: url("borders/button-border.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/button-border.png"),url("borders/button-border@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -57,7 +57,7 @@ GtkSwitch.trough:active {
 
 /* focused button borders */
 .button.default { 
-    border-image: url("borders/button-border-default.png") 3 3 4 3 / 3px 3px 4px 3px stretch;
+    border-image: -gtk-scaled(url("borders/button-border-default.png"),url("borders/button-border-default@2.png")) 3 3 4 3 / 3px 3px 4px 3px stretch;
     border-radius: 3px;
     border-width: 1px 1px 2px 1px;
     border-style: solid;
@@ -100,7 +100,7 @@ GtkSwitch.trough:active {
 .primary-toolbar GtkSwitch.trough:active:insensitive,
 .primary-toolbar GtkComboBox .button:active,
 .primary-toolbar GtkComboBox .button:insensitive {
-    border-image: url("borders/primary-toolbar-generic-border.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-generic-border.png"),url("borders/primary-toolbar-generic-border@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
@@ -113,7 +113,7 @@ GtkSwitch.trough:active {
 .primary-toolbar .button.raised.default:active,
 .primary-toolbar .raised .button.default:active,
 .inline-toolbar.toolbar .button.default:active {
-    border-image: url("borders/primary-toolbar-generic-border-focused.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-generic-border-focused.png"),url("borders/primary-toolbar-generic-border-focused@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
@@ -125,7 +125,7 @@ GtkSwitch.trough:active {
 .primary-toolbar .raised .button,
 .inline-toolbar.toolbar .button,
 .primary-toolbar GtkComboBox .button {
-    border-image: url("borders/primary-toolbar-button-border.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-button-border.png"),url("borders/primary-toolbar-button-border@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
@@ -136,7 +136,7 @@ GtkSwitch.trough:active {
 .primary-toolbar .button.raised.default,
 .primary-toolbar .raised .button.default,
 .inline-toolbar.toolbar .button.default {
-    border-image: url("borders/primary-toolbar-button-border-default.png") 4 / 4px stretch;
+    border-image: -gtk-scaled(url("borders/primary-toolbar-button-border-default.png"),url("borders/primary-toolbar-button-border-default@2.png")) 4 / 4px stretch;
     border-radius: 3px;
     border-width: 2px;
     border-style: solid;
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index 6dd26910..185cbcd9 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -2392,7 +2392,7 @@ GtkModelMenuItem GtkBox GtkImage {
 }
 
 .menuitem.check:active {
-    background-image: url("assets/menuitem-checkbox-checked.png");
+    background-image: -gtk-scaled(url("assets/menuitem-checkbox-checked.png"),url("assets/menuitem-checkbox-checked@2.png"));
 }
 
 .menuitem.check:active:hover {
@@ -2400,17 +2400,17 @@ GtkModelMenuItem GtkBox GtkImage {
 }
 
 .menuitem.check:active:insensitive {
-    background-image: url("assets/menuitem-checkbox-checked-insensitive.png");
+    background-image: -gtk-scaled(url("assets/menuitem-checkbox-checked-insensitive.png"),url("assets/menuitem-checkbox-checked-insensitive@2.png"));
 }
 
 .menuitem.check:inconsistent,
 .menuitem.radio:inconsistent {
-    background-image: url("assets/menuitem-checkbox-mixed.png");
+    background-image: -gtk-scaled(url("assets/menuitem-checkbox-mixed.png"),url("assets/menuitem-checkbox-mixed@2.png"));
 }
 
 .menuitem.check:inconsistent:insensitive,
 .menuitem.radio:inconsistent:insensitive {
-    background-image: url("assets/menuitem-checkbox-mixed-insensitive.png");
+    background-image: -gtk-scaled(url("assets/menuitem-checkbox-mixed-insensitive.png"),url("assets/menuitem-checkbox-mixed-insensitive@2.png"));
 }
 
 .menuitem.check:inconsistent:hover,
@@ -2419,7 +2419,7 @@ GtkModelMenuItem GtkBox GtkImage {
 }
 
 .menuitem.radio:active {
-    background-image: url("assets/menuitem-radio-checked.png");
+    background-image: -gtk-scaled(url("assets/menuitem-radio-checked.png"),url("assets/menuitem-radio-checked@2.png"));
 }
 
 .menuitem.radio:active:hover {
@@ -2427,7 +2427,7 @@ GtkModelMenuItem GtkBox GtkImage {
 }
 
 .menuitem.radio:active:insensitive {
-    background-image: url("assets/menuitem-radio-checked-insensitive.png");
+    background-image: -gtk-scaled(url("assets/menuitem-radio-checked-insensitive.png"),url("assets/menuitem-radio-checked-insensitive@2.png"));
 }
 
 
diff --git a/themes/Adwaita/gtk-3.0/gtk.gresource.xml b/themes/Adwaita/gtk-3.0/gtk.gresource.xml
index b5674e79..a04bf103 100644
--- a/themes/Adwaita/gtk-3.0/gtk.gresource.xml
+++ b/themes/Adwaita/gtk-3.0/gtk.gresource.xml
@@ -2,190 +2,308 @@
 <gresources>
   <gresource prefix="/org/gnome/adwaita">
     <file preprocess="to-pixdata">assets/checkbox-checked-backdrop-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-backdrop-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-checked-backdrop-insensitive-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-backdrop-insensitive-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-checked-backdrop-insensitive.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-backdrop-insensitive@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-checked-backdrop.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-backdrop@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-checked-dark.png</file>
-    <file preprocess="to-pixdata">assets/checkbox-checked-insensitive.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-checked-insensitive-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-insensitive-dark@2.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-insensitive.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked-insensitive@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-checked.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-checked@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop-insensitive-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop-insensitive-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop-insensitive.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop-insensitive@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed-backdrop@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed-insensitive-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed-insensitive-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed-insensitive.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed-insensitive@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-mixed.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-mixed@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop-insensitive-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop-insensitive-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop-insensitive.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop-insensitive@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-unchecked-backdrop@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-unchecked-dark.png</file>
+    <file preprocess="to-pixdata">assets/checkbox-unchecked-dark@2.png</file>
     <file preprocess="to-pixdata">assets/checkbox-unchecked-insensitive-dark.png</file>
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-    <file preprocess="to-pixdata">assets/switch-slider-grip.svg</file>
     <file preprocess="to-pixdata">assets/switch-slider-grip-dark.svg</file>
+    <file preprocess="to-pixdata">assets/switch-slider-grip.svg</file>
     <file preprocess="to-pixdata">assets/thumbnail-frame.png</file>
-    <file preprocess="to-pixdata">borders/button-border.png</file>
-    <file preprocess="to-pixdata">borders/generic-border.png</file>
-    <file preprocess="to-pixdata">borders/generic-border-transparent.png</file>
+    <file preprocess="to-pixdata">borders/button-border-dark.png</file>
+    <file preprocess="to-pixdata">borders/button-border-dark@2.png</file>
+    <file preprocess="to-pixdata">borders/button-border-default-dark.png</file>
+    <file preprocess="to-pixdata">borders/button-border-default-dark@2.png</file>
     <file preprocess="to-pixdata">borders/button-border-default.png</file>
-    <file preprocess="to-pixdata">borders/generic-border-focused.png</file>
+    <file preprocess="to-pixdata">borders/button-border-default@2.png</file>
+    <file preprocess="to-pixdata">borders/button-border.png</file>
+    <file preprocess="to-pixdata">borders/button-border@2.png</file>
+    <file preprocess="to-pixdata">borders/generic-border-backdrop-dark.png</file>
     <file preprocess="to-pixdata">borders/generic-border-backdrop.png</file>
-    <file preprocess="to-pixdata">borders/primary-toolbar-button-border.png</file>
-    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border.png</file>
-    <file preprocess="to-pixdata">borders/primary-toolbar-button-border-default.png</file>
-    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-focused.png</file>
-    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-backdrop.png</file>
-    <file preprocess="to-pixdata">borders/nohl-generic-border.png</file>
-    <file preprocess="to-pixdata">borders/nohl-generic-border-transparent.png</file>
-    <file preprocess="to-pixdata">borders/nohl-generic-border-backdrop.png</file>
-    <file preprocess="to-pixdata">borders/button-border-dark.png</file>
     <file preprocess="to-pixdata">borders/generic-border-dark.png</file>
-    <file preprocess="to-pixdata">borders/generic-border-transparent-dark.png</file>
-    <file preprocess="to-pixdata">borders/button-border-default-dark.png</file>
+    <file preprocess="to-pixdata">borders/generic-border-dark@2.png</file>
     <file preprocess="to-pixdata">borders/generic-border-focused-dark.png</file>
-    <file preprocess="to-pixdata">borders/generic-border-backdrop-dark.png</file>
+    <file preprocess="to-pixdata">borders/generic-border-focused-dark@2.png</file>
+    <file preprocess="to-pixdata">borders/generic-border-focused.png</file>
+    <file preprocess="to-pixdata">borders/generic-border-focused@2.png</file>
+    <file preprocess="to-pixdata">borders/generic-border-transparent-dark.png</file>
+    <file preprocess="to-pixdata">borders/generic-border-transparent.png</file>
+    <file preprocess="to-pixdata">borders/generic-border.png</file>
+    <file preprocess="to-pixdata">borders/generic-border@2.png</file>
+    <file preprocess="to-pixdata">borders/nohl-generic-border-backdrop-dark.png</file>
+    <file preprocess="to-pixdata">borders/nohl-generic-border-backdrop.png</file>
+    <file preprocess="to-pixdata">borders/nohl-generic-border-dark.png</file>
+    <file preprocess="to-pixdata">borders/nohl-generic-border-transparent-dark.png</file>
+    <file preprocess="to-pixdata">borders/nohl-generic-border-transparent.png</file>
+    <file preprocess="to-pixdata">borders/nohl-generic-border.png</file>
     <file preprocess="to-pixdata">borders/primary-toolbar-button-border-dark.png</file>
-    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-dark.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-button-border-dark@2.png</file>
     <file preprocess="to-pixdata">borders/primary-toolbar-button-border-default-dark.png</file>
-    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-focused-dark.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-button-border-default-dark@2.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-button-border-default.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-button-border-default@2.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-button-border.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-button-border@2.png</file>
     <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-backdrop-dark.png</file>
-    <file preprocess="to-pixdata">borders/nohl-generic-border-dark.png</file>
-    <file preprocess="to-pixdata">borders/nohl-generic-border-transparent-dark.png</file>
-    <file preprocess="to-pixdata">borders/nohl-generic-border-backdrop-dark.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-backdrop.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-dark.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-dark@2.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-focused-dark.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-focused-dark@2.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-focused.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border-focused@2.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border.png</file>
+    <file preprocess="to-pixdata">borders/primary-toolbar-generic-border@2.png</file>
     <file preprocess="to-pixdata">borders/selection-toolbar-suggested-button-border.svg</file>
-    <file preprocess="to-pixdata">borders/tooltip-generic-border.svg</file>
-    <file preprocess="to-pixdata">borders/tooltip-generic-border-focused.svg</file>
     <file preprocess="to-pixdata">borders/tooltip-generic-border-dark.svg</file>
     <file preprocess="to-pixdata">borders/tooltip-generic-border-focused-dark.svg</file>
+    <file preprocess="to-pixdata">borders/tooltip-generic-border-focused.svg</file>
+    <file preprocess="to-pixdata">borders/tooltip-generic-border.svg</file>
     <file>gnome-applications.css</file>
     <file>gnome-applications-dark-overrides.css</file>
     <file>gtk-widgets.css</file>