fix insensitive active headerbar button

gtk-3.0/_drawing.scss

@@ -221,9 +221,9 @@
   //
   // header-bar insensitive pushed button
   //
-    color: transparentize($selected_fg_color, 0.45);
-    background-color: transparentize($header_bg, 1);
-    border-color: transparentize($header_bg, 1);
+    color: transparentize($selected_fg_color, 0.25);
+    border-color: transparentize($selected_bg_color, 0.35);
+    background-color: transparentize($selected_bg_color, 0.35);
   }
 
   @else if $t==osd {

gtk-3.0/gtk-contained.css

@@ -883,9 +883,9 @@ GtkComboBox {
     .primary-toolbar .button:insensitive > GtkLabel, .header-bar .button:insensitive > GtkLabel {
       color: inherit; }
   .primary-toolbar .button:insensitive:active, .header-bar .button:insensitive:active, .primary-toolbar .button:insensitive:checked, .header-bar .button:insensitive:checked {
-    color: rgba(255, 255, 255, 0.55);
-    background-color: rgba(231, 232, 235, 0);
-    border-color: rgba(231, 232, 235, 0); }
+    color: rgba(255, 255, 255, 0.75);
+    border-color: rgba(82, 148, 226, 0.65);
+    background-color: rgba(82, 148, 226, 0.65); }
 .primary-toolbar .linked > .button, .header-bar .linked > .button {
   border-radius: 3px;
   border-style: solid; }