diff --git a/gtk/theme/Adwaita/_drawing.scss b/gtk/theme/Adwaita/_drawing.scss
index 43023ed2f0..8ba2355feb 100644
--- a/gtk/theme/Adwaita/_drawing.scss
+++ b/gtk/theme/Adwaita/_drawing.scss
@@ -50,7 +50,7 @@
 // normal, focus, insensitive, backdrop, backdrop-insensitive, osd, osd-focus, osd-backdrop;
 //
 
-  background-color: transparent;
+  background-color: $base_color;
   background-image: entry_gradient($base_color);
   $_blank_edge: if($edge == none, none, 0 1px transparentize($edge, 1));
   $_entry_edge: if($edge == none, none, _widget_edge($edge));
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 0df8a7450a..b410f870cb 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -157,7 +157,7 @@ entry, spinbutton {
   padding: 5px 8px 6px;
   border-radius: 3px;
   transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
-  background-color: transparent;
+  background-color: #292929;
   background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
   color: white;
   border-color: #1c1f1f;
@@ -170,7 +170,7 @@ entry, spinbutton {
     padding-right: 0; }
   entry.flat, spinbutton.flat, entry.flat:focus, spinbutton.flat:focus {
     padding: 2px;
-    background-color: transparent;
+    background-color: #292929;
     background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
     color: white;
     border-color: #1c1f1f;
@@ -178,26 +178,26 @@ entry, spinbutton {
     border: none;
     border-radius: 0; }
   entry:focus, spinbutton:focus {
-    background-color: transparent;
+    background-color: #292929;
     background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
     box-shadow: inset 0 0 0 1px #215d9c, 0 1px rgba(238, 238, 236, 0);
     border-color: #0f2b48; }
   entry:insensitive, spinbutton:insensitive {
-    background-color: transparent;
+    background-color: #292929;
     background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
     color: #949796;
     border-color: #1c1f1f;
     background-image: linear-gradient(to bottom, #333636);
     box-shadow: 0 1px rgba(238, 238, 236, 0); }
   entry:backdrop, spinbutton:backdrop {
-    background-color: transparent;
+    background-color: #292929;
     background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
     color: #d5d5d5;
     border-color: #1f2222;
     background-image: linear-gradient(to bottom, #2c2c2c);
     box-shadow: 0 1px rgba(238, 238, 236, 0); }
   entry:backdrop:insensitive, spinbutton:backdrop:insensitive {
-    background-color: transparent;
+    background-color: #292929;
     background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
     color: #5d6767;
     border-color: #1f2222;
@@ -220,7 +220,7 @@ entry, spinbutton {
     color: #cc0000;
     border-color: #1a0000; }
     entry.error:focus, spinbutton.error:focus {
-      background-color: transparent;
+      background-color: #292929;
       background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
       box-shadow: inset 0 0 0 1px #cc0000, 0 1px rgba(238, 238, 236, 0);
       border-color: #1a0000; }
@@ -230,7 +230,7 @@ entry, spinbutton {
     color: #f57900;
     border-color: #432100; }
     entry.warning:focus, spinbutton.warning:focus {
-      background-color: transparent;
+      background-color: #292929;
       background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
       box-shadow: inset 0 0 0 1px #f57900, 0 1px rgba(238, 238, 236, 0);
       border-color: #432100; }
@@ -245,7 +245,7 @@ entry, spinbutton {
     entry image:backdrop, spinbutton image:backdrop {
       color: #7f8281; }
   .osd entry, .osd spinbutton {
-    background-color: transparent;
+    background-color: #292929;
     background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
     color: white;
     border-color: rgba(0, 0, 0, 0.7);
@@ -255,7 +255,7 @@ entry, spinbutton {
     text-shadow: 0 1px black;
     -gtk-icon-shadow: 0 1px black; }
     .osd entry:focus, .osd spinbutton:focus {
-      background-color: transparent;
+      background-color: #292929;
       background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
       color: white;
       border-color: #215d9c;
@@ -265,7 +265,7 @@ entry, spinbutton {
       text-shadow: 0 1px black;
       -gtk-icon-shadow: 0 1px black; }
     .osd entry:backdrop, .osd spinbutton:backdrop {
-      background-color: transparent;
+      background-color: #292929;
       background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
       color: white;
       border-color: rgba(0, 0, 0, 0.7);
@@ -275,7 +275,7 @@ entry, spinbutton {
       text-shadow: none;
       -gtk-icon-shadow: none; }
     .osd entry:insensitive, .osd spinbutton:insensitive {
-      background-color: transparent;
+      background-color: #292929;
       background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
       color: #878a89;
       border-color: rgba(0, 0, 0, 0.7);
@@ -3484,13 +3484,13 @@ levelbar {
     border: 1px solid;
     padding: 2px;
     border-radius: 3px;
-    background-color: transparent;
+    background-color: #292929;
     background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
     color: white;
     border-color: #1c1f1f;
     box-shadow: inset 0 0 0 1px rgba(33, 93, 156, 0), 0 1px rgba(238, 238, 236, 0); }
     levelbar trough:backdrop {
-      background-color: transparent;
+      background-color: #292929;
       background-image: linear-gradient(to bottom, #1d2020, #242525 3px, #292929 90%);
       color: #d5d5d5;
       border-color: #1f2222;
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index 660e410521..4621e912c6 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -157,7 +157,7 @@ entry, spinbutton {
   padding: 5px 8px 6px;
   border-radius: 3px;
   transition: all 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
-  background-color: transparent;
+  background-color: #ffffff;
   background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
   color: black;
   border-color: #9d9d99;
@@ -170,7 +170,7 @@ entry, spinbutton {
     padding-right: 0; }
   entry.flat, spinbutton.flat, entry.flat:focus, spinbutton.flat:focus {
     padding: 2px;
-    background-color: transparent;
+    background-color: #ffffff;
     background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
     color: black;
     border-color: #9d9d99;
@@ -178,26 +178,26 @@ entry, spinbutton {
     border: none;
     border-radius: 0; }
   entry:focus, spinbutton:focus {
-    background-color: transparent;
+    background-color: #ffffff;
     background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
     box-shadow: inset 0 0 0 1px #4a90d9, 0 1px rgba(255, 255, 255, 0);
     border-color: #4a90d9; }
   entry:insensitive, spinbutton:insensitive {
-    background-color: transparent;
+    background-color: #ffffff;
     background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
     color: #8b8e8f;
     border-color: #9d9d99;
     background-image: linear-gradient(to bottom, #f1f1f1);
     box-shadow: 0 1px rgba(255, 255, 255, 0); }
   entry:backdrop, spinbutton:backdrop {
-    background-color: transparent;
+    background-color: #ffffff;
     background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
     color: #333333;
     border-color: #a5a5a1;
     background-image: linear-gradient(to bottom, white);
     box-shadow: 0 1px rgba(255, 255, 255, 0); }
   entry:backdrop:insensitive, spinbutton:backdrop:insensitive {
-    background-color: transparent;
+    background-color: #ffffff;
     background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
     color: #c3c3c0;
     border-color: #a5a5a1;
@@ -220,7 +220,7 @@ entry, spinbutton {
     color: #cc0000;
     border-color: #cc0000; }
     entry.error:focus, spinbutton.error:focus {
-      background-color: transparent;
+      background-color: #ffffff;
       background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
       box-shadow: inset 0 0 0 1px #cc0000, 0 1px rgba(255, 255, 255, 0);
       border-color: #cc0000; }
@@ -230,7 +230,7 @@ entry, spinbutton {
     color: #f57900;
     border-color: #f57900; }
     entry.warning:focus, spinbutton.warning:focus {
-      background-color: transparent;
+      background-color: #ffffff;
       background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
       box-shadow: inset 0 0 0 1px #f57900, 0 1px rgba(255, 255, 255, 0);
       border-color: #f57900; }
@@ -245,7 +245,7 @@ entry, spinbutton {
     entry image:backdrop, spinbutton image:backdrop {
       color: #a2a5a5; }
   .osd entry, .osd spinbutton {
-    background-color: transparent;
+    background-color: #ffffff;
     background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
     color: white;
     border-color: rgba(0, 0, 0, 0.7);
@@ -255,7 +255,7 @@ entry, spinbutton {
     text-shadow: 0 1px black;
     -gtk-icon-shadow: 0 1px black; }
     .osd entry:focus, .osd spinbutton:focus {
-      background-color: transparent;
+      background-color: #ffffff;
       background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
       color: white;
       border-color: #4a90d9;
@@ -265,7 +265,7 @@ entry, spinbutton {
       text-shadow: 0 1px black;
       -gtk-icon-shadow: 0 1px black; }
     .osd entry:backdrop, .osd spinbutton:backdrop {
-      background-color: transparent;
+      background-color: #ffffff;
       background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
       color: white;
       border-color: rgba(0, 0, 0, 0.7);
@@ -275,7 +275,7 @@ entry, spinbutton {
       text-shadow: none;
       -gtk-icon-shadow: none; }
     .osd entry:insensitive, .osd spinbutton:insensitive {
-      background-color: transparent;
+      background-color: #ffffff;
       background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
       color: #878a89;
       border-color: rgba(0, 0, 0, 0.7);
@@ -3646,13 +3646,13 @@ levelbar {
     border: 1px solid;
     padding: 2px;
     border-radius: 3px;
-    background-color: transparent;
+    background-color: #ffffff;
     background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
     color: black;
     border-color: #9d9d99;
     box-shadow: inset 0 0 0 1px rgba(74, 144, 217, 0), 0 1px rgba(255, 255, 255, 0); }
     levelbar trough:backdrop {
-      background-color: transparent;
+      background-color: #ffffff;
       background-image: linear-gradient(to bottom, #d3d3d1, #fcfcfc 2px, #ffffff 90%);
       color: #333333;
       border-color: #a5a5a1;