=== modified file 'Ambiance/gtk-3.20/gtk-widgets.css'
--- Ambiance/gtk-3.20/gtk-widgets.css	2018-03-28 06:27:00 +0000
+++ Ambiance/gtk-3.20/gtk-widgets.css	2018-04-09 21:52:54 +0000
@@ -579,7 +579,7 @@
   color: @link_color;
 }
 
-button separator { 
+button separator {
     color: shade(@bg_color, 1.30);
 }
 
@@ -2750,11 +2750,10 @@
     padding-right: 0;
     margin: 0;
 
-    min-width: 20px;
-    min-height: 20px;
-    background-size: 20px 20px;
-    background-image: -gtk-scaled(url("assets/windowbutton.png"),
-                                  url("assets/windowbutton@2.png"),
+    min-width: 30px;
+    min-height: 22px;
+    background-size: 26px 26px; 
+    background-image: -gtk-scaled(url("assets/windowbutton@2.png"),
                                   url("assets/windowbutton@3.png"),
                                   url("assets/windowbutton@4.png"));
     background-repeat: no-repeat;
@@ -2769,8 +2768,8 @@
 
 /* keep buttons closer */
 .titlebar button.titlebutton {
-    margin-left: -3px;
-    margin-right: -3px;
+    margin-left: -1px;
+    margin-right: -1px;
 }
 
 .titlebar button.titlebutton:first-child {
@@ -2782,40 +2781,36 @@
 }
 
 .titlebar button.titlebutton.close {
+    margin-right: 4px; 
     color: #323112;
     -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.25);
-    background-image: -gtk-scaled(url("assets/windowbutton-close.png"),
-                                  url("assets/windowbutton-close@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-close@2.png"),
                                   url("assets/windowbutton-close@3.png"),
                                   url("assets/windowbutton-close@4.png"));
 }
 
 .titlebar button.titlebutton.close:hover {
-    background-image: -gtk-scaled(url("assets/windowbutton-close-hover.png"),
-                                  url("assets/windowbutton-close-hover@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-close-hover@2.png"),
                                   url("assets/windowbutton-close-hover@3.png"),
                                   url("assets/windowbutton-close-hover@4.png"));
 }
 
 .titlebar button.titlebutton:hover,
 .titlebar button.titlebutton:backdrop:hover {
-    background-image: -gtk-scaled(url("assets/windowbutton-hover.png"),
-                                  url("assets/windowbutton-hover@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-hover@2.png"),
                                   url("assets/windowbutton-hover@3.png"),
                                   url("assets/windowbutton-hover@4.png"));
 }
 
 .titlebar button.titlebutton:active {
     -gtk-icon-shadow: none;
-    background-image: -gtk-scaled(url("assets/windowbutton-active.png"),
-                                  url("assets/windowbutton-active@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-active@2.png"),
                                   url("assets/windowbutton-active@3.png"),
                                   url("assets/windowbutton-active@4.png"));
 }
 
 .titlebar button.titlebutton.close:active {
-    background-image: -gtk-scaled(url("assets/windowbutton-close-active.png"),
-                                  url("assets/windowbutton-close-active@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-close-active@2.png"),
                                   url("assets/windowbutton-close-active@3.png"),
                                   url("assets/windowbutton-close-active@4.png"));
 }
@@ -2823,22 +2818,19 @@
 .titlebar button.titlebutton:backdrop {
     color: #3d3c37;
     -gtk-icon-shadow: none;
-    background-image: -gtk-scaled(url("assets/windowbutton-backdrop.png"),
-                                  url("assets/windowbutton-backdrop@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-backdrop@2.png"),
                                   url("assets/windowbutton-backdrop@3.png"),
                                   url("assets/windowbutton-backdrop@4.png"));
 }
 
 .titlebar button.titlebutton:hover:backdrop {
-    background-image: -gtk-scaled(url("assets/windowbutton-backdrop-hover.png"),
-                                  url("assets/windowbutton-backdrop-hover@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-backdrop-hover@2.png"),
                                   url("assets/windowbutton-backdrop-hover@3.png"),
                                   url("assets/windowbutton-backdrop-hover@4.png"));
 }
 
 .titlebar button.titlebutton:active:backdrop {
-    background-image: -gtk-scaled(url("assets/windowbutton-backdrop-active.png"),
-                                  url("assets/windowbutton-backdrop-active@2.png"),
+    background-image: -gtk-scaled(url("assets/windowbutton-backdrop-active@2.png"),
                                   url("assets/windowbutton-backdrop-active@3.png"),
                                   url("assets/windowbutton-backdrop-active@4.png"));
 }

=== modified file 'Radiance/gtk-3.20/gtk-widgets.css'
--- Radiance/gtk-3.20/gtk-widgets.css	2018-03-28 06:27:00 +0000
+++ Radiance/gtk-3.20/gtk-widgets.css	2018-04-09 21:52:54 +0000
@@ -574,7 +574,7 @@
   color: @link_color;
 }
 
-button separator { 
+button separator {
     color: shade(@bg_color, 1.30);
 }
 
@@ -2749,11 +2749,10 @@
     padding-right: 0;
     margin: 0;
 
-    min-width: 20px;
-    min-height: 20px;
-    background-size: 20px 20px;
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton.png"),
-                                  url("assets/radiance-windowbutton@2.png"),
+    min-width: 30px;
+    min-height: 22px;
+    background-size: 26px 26px;
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton@2.png"),
                                   url("assets/radiance-windowbutton@3.png"),
                                   url("assets/radiance-windowbutton@4.png"));
     background-repeat: no-repeat;
@@ -2762,8 +2761,8 @@
 
 /* keep buttons closer */
 .titlebar button.titlebutton {
-    margin-left: -3px;
-    margin-right: -3px;
+    margin-left: 2px;
+    margin-right: 2px;
 }
 
 .titlebar button.titlebutton:first-child {
@@ -2775,40 +2774,36 @@
 }
 
 .titlebar button.titlebutton.close {
+    margin-right: 4px;
     color: #7f4025;
     -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.25);
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-close.png"),
-                                  url("assets/radiance-windowbutton-close@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-close@2.png"),
                                   url("assets/radiance-windowbutton-close@3.png"),
                                   url("assets/radiance-windowbutton-close@4.png"));
 }
 
 .titlebar button.titlebutton.close:hover {
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-close-hover.png"),
-                                  url("assets/radiance-windowbutton-close-hover@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-close-hover@2.png"),
                                   url("assets/radiance-windowbutton-close-hover@3.png"),
                                   url("assets/radiance-windowbutton-close-hover@4.png"));
 }
 
 .titlebar button.titlebutton:hover,
 .titlebar button.titlebutton:backdrop:hover {
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-hover.png"),
-                                  url("assets/radiance-windowbutton-hover@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-hover@2.png"),
                                   url("assets/radiance-windowbutton-hover@3.png"),
                                   url("assets/radiance-windowbutton-hover@4.png"));
 }
 
 .titlebar button.titlebutton:active {
     -gtk-icon-shadow: none;
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-active.png"),
-                                  url("assets/radiance-windowbutton-active@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-active@2.png"),
                                   url("assets/radiance-windowbutton-active@3.png"),
                                   url("assets/radiance-windowbutton-active@4.png"));
 }
 
 .titlebar button.titlebutton.close:active {
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-close-active.png"),
-                                  url("assets/radiance-windowbutton-close-active@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-close-active@2.png"),
                                   url("assets/radiance-windowbutton-close-active@3.png"),
                                   url("assets/radiance-windowbutton-close-active@4.png"));
 }
@@ -2816,22 +2811,19 @@
 .titlebar button.titlebutton:backdrop {
     color: #8b8379;
     -gtk-icon-shadow: none;
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-backdrop.png"),
-                                  url("assets/radiance-windowbutton-backdrop@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-backdrop@2.png"),
                                   url("assets/radiance-windowbutton-backdrop@3.png"),
                                   url("assets/radiance-windowbutton-backdrop@4.png"));
 }
 
 .titlebar button.titlebutton:hover:backdrop {
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-backdrop-hover.png"),
-                                  url("assets/radiance-windowbutton-backdrop-hover@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-backdrop-hover@2.png"),
                                   url("assets/radiance-windowbutton-backdrop-hover@3.png"),
                                   url("assets/radiance-windowbutton-backdrop-hover@4.png"));
 }
 
 .titlebar button.titlebutton:active:backdrop {
-    background-image: -gtk-scaled(url("assets/radiance-windowbutton-backdrop-active.png"),
-                                  url("assets/radiance-windowbutton-backdrop-active@2.png"),
+    background-image: -gtk-scaled(url("assets/radiance-windowbutton-backdrop-active@2.png"),
                                   url("assets/radiance-windowbutton-backdrop-active@3.png"),
                                   url("assets/radiance-windowbutton-backdrop-active@4.png"));
 }