diff --git a/gtk/theme/HighContrast/_common.scss b/gtk/theme/HighContrast/_common.scss
index de3ec3f72d..ccdb6f6d1e 100644
--- a/gtk/theme/HighContrast/_common.scss
+++ b/gtk/theme/HighContrast/_common.scss
@@ -70,7 +70,7 @@ $ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
 
 
 
-*:insensitive {
+*:disabled {
     -gtk-icon-effect: dim;
 }
 
@@ -85,7 +85,7 @@ $ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);
     background-color: darken($bg_color, 10%);
     color: $fg_color;
   }
-  &:insensitive {
+  &:disabled {
     background-color: $insensitive_bg_color;
     color: $insensitive_fg_color;
   }
@@ -148,7 +148,7 @@ label {
   & selection:backdrop {
     @extend %selected_items;
   }
-  &:insensitive, &:backdrop:insensitive {
+  &:disabled, &:backdrop:disabled {
     color: $insensitive_fg_color;
   }
 }
@@ -169,7 +169,7 @@ spinner {
   &:checked {
     opacity: 1;
     animation: spin 1s linear infinite;
-    &:insensitive {
+    &:disabled {
       opacity: 0.5;
     }
   }
@@ -192,9 +192,9 @@ entry, spinbutton {
     border-radius: 0;
   }
   &:focus { @include entry(focus); }
-  &:insensitive { @include entry(insensitive); }
+  &:disabled { @include entry(insensitive); }
   &:backdrop { @include entry(backdrop); }
-  &:backdrop:insensitive { @include entry(backdrop-insensitive); }
+  &:backdrop:disabled { @include entry(backdrop-insensitive); }
   & selection, & selection:backdrop {
     background-color: $selected_bg_color;
     color: $selected_fg_color;
@@ -239,7 +239,7 @@ entry, spinbutton {
                   0 -1px 0 0 entry_focus_border($selected_bg_color);
       @extend %linked_vertical;
     }
-    &:insensitive {
+    &:disabled {
       @include entry(insensitive);
       border-bottom-color: mix($borders_color, $base_color, 30%);
       @extend %linked_vertical;
@@ -258,7 +258,7 @@ entry, spinbutton {
       @include entry(normal);
       border-bottom-color: mix($borders_color, $base_color, 30%);
       &:focus { @include entry(focus); }
-      &:insensitive {
+      &:disabled {
         @include entry(insensitive);
         border-bottom-color: mix($backdrop_borders_color, $backdrop_base_color, 30%);
         @extend %linked_vertical:first-child;
@@ -285,7 +285,7 @@ entry, spinbutton {
                     0 -1px 0 0 entry_focus_border($selected_bg_color);
         @extend %linked_vertical:last-child;
       }
-      &:insensitive {
+      &:disabled {
         @include entry(insensitive);
         @extend %linked_vertical:last-child;
         &:backdrop {
@@ -360,10 +360,10 @@ button {
     &:active, &:checked {
       @include button(backdrop-active);
     }
-    &:insensitive {
+    &:disabled {
       @include button(backdrop-insensitive);
     }
-    &:insensitive:active {
+    &:disabled:active {
       @include button(backdrop-insensitive-active);
     }
   }
@@ -371,14 +371,14 @@ button {
   //&:selected:focus, &.flat:focus {
   //  @extend %selected_items;
   //}
-  &:insensitive {
+  &:disabled {
     @include button(insensitive);
     &:active, &.flat:active {
       @include button(insensitive-active);
     }
 
   }
-  &.flat, &.flat:backdrop, &.flat:insensitive:backdrop {
+  &.flat, &.flat:backdrop, &.flat:disabled:backdrop {
     @extend %undecorated_button;
   }
   //overlay / OSD style
@@ -395,7 +395,7 @@ button {
       @include button(osd-active);
       @extend %linked;
     }
-    &:insensitive {
+    &:disabled {
       @include button(osd-insensitive);
       @extend %linked;
     }
@@ -417,11 +417,11 @@ button {
       }
       &:backdrop {
         @include button(backdrop,$b_color,white);
-        &:insensitive {
+        &:disabled {
           @include button(backdrop-insensitive);
         }
       }
-      &:insensitive {
+      &:disabled {
         @include button(insensitive);
       }
     }
@@ -461,12 +461,12 @@ button {
                                           // in this case, hence $edge: none
   &:hover { @include button(hover, $edge: none); }
   &:active { @include button(active, $edge: none); }
-  &:insensitive { @include button(insensitive, $edge: none); }
-  &:insensitive:active { @include button(insensitive-active, $edge:none); }
+  &:disabled { @include button(insensitive, $edge: none); }
+  &:disabled:active { @include button(insensitive-active, $edge:none); }
   &:backdrop { @include button(backdrop); };
   &:backdrop:active { @include button(backdrop-active); }
-  &:backdrop:insensitive { @include button(backdrop-insensitive); }
-  &:backdrop:insensitive:active { @include button(backdrop-insensitive-active);}
+  &:backdrop:disabled { @include button(backdrop-insensitive); }
+  &:backdrop:disabled:active { @include button(backdrop-insensitive-active);}
 }
 toolbar.inline-toolbar toolbutton { // .inline-toolbar.toolbar here for
                                         // higher specificity than the previous
@@ -581,7 +581,7 @@ modelbutton.flat,
     @extend %undecorated_button;
     &:hover { color: $selected_fg_color; background-color: $selected_bg_color; }
   }
-  &:insensitive { color: $insensitive_fg_color; }
+  &:disabled { color: $insensitive_fg_color; }
 }
 
 button.color { padding: 4px; } // Uniform padding on the
@@ -638,7 +638,7 @@ spinbutton {
       color: $fg_color;
       background-color: transparentize(black,0.95);
     }
-    &:insensitive {
+    &:disabled {
       box-shadow: none;
       color: transparentize($insensitive_fg_color,0.7);
     }
@@ -651,7 +651,7 @@ spinbutton {
       background-color: $bg_color;
       box-shadow: none;
     }
-    &:backdrop:insensitive {
+    &:backdrop:disabled {
       box-shadow: none;
       color: transparentize($insensitive_fg_color,0.7);
       border-width: 0 0 0 1px; // It is needed or it gets overridden
@@ -671,7 +671,7 @@ spinbutton {
           @extend %top_button;
           @include button(hover, $edge: none);
         }
-        &:insensitive {
+        &:disabled {
           @extend %top_button;
           @include button(insensitive, $edge: none);
         }
@@ -691,7 +691,7 @@ spinbutton {
           @extend %bottom_button;
           @include button(hover);
         }
-        &:insensitive {
+        &:disabled {
           @extend %bottom_button;
           @include button(insensitive);
         }
@@ -700,7 +700,7 @@ spinbutton {
           @include button(backdrop);
         }
       }
-      &:backdrop:insensitive {
+      &:backdrop:disabled {
         @include button(backdrop-insensitive);
       }
     }
@@ -747,7 +747,7 @@ combobox {
 
   @include _button_text_shadow;
 
-  &:insensitive {
+  &:disabled {
     color: $insensitive_fg_color;
     text-shadow: none;
     -gtk-icon-shadow: none;
@@ -757,7 +757,7 @@ combobox {
     text-shadow: none;
     -gtk-icon-shadow: none;
   }
-  &:backdrop:insensitive {
+  &:backdrop:disabled {
     color: $insensitive_fg_color;
   }
   .menuitem { text-shadow: none; }
@@ -907,19 +907,19 @@ headerbar {
       @include button(normal, $selected_bg_color, $selected_fg_color, $edge: none);
       &:hover { @include button(hover, $selected_bg_color, $selected_fg_color, $edge: none); }
       &:active { @include button(active, $selected_bg_color, $selected_fg_color, $edge: none); }
-      &:insensitive { @include button(insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
+      &:disabled { @include button(insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
       &:backdrop {
         @include button(backdrop, $selected_bg_color, $selected_fg_color, $edge: none);
         border-color: darken($selected_bg_color, 15%);
       }
-      &:backdrop:insensitive { @include button(backdrop-insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
+      &:backdrop:disabled { @include button(backdrop-insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
       &.suggested-action {
         @include button($t:normal, $edge: none);
         &:hover { @include button($t:hover,$edge: none); }
         &:active { @include button($t:active, $edge: none); }
-        &:insensitive { @include button($t:insensitive, $edge: none); }
+        &:disabled { @include button($t:insensitive, $edge: none); }
         &:backdrop { @include button($t:backdrop, $edge: none); }
-        &:backdrop:insensitive { @include button($t:backdrop-insensitive, $edge: none); }
+        &:backdrop:disabled { @include button($t:backdrop-insensitive, $edge: none); }
       }
     }
     .selection-menu {
@@ -979,7 +979,7 @@ treeview.view {
     border-top-color: transparentize($fg_color, 0.9); // doesn't work unfortunatelly
   }
 
-  &:insensitive {
+  &:disabled {
     color: $insensitive_fg_color;
     &:selected {
       color: mix($selected_fg_color, $selected_bg_color, 40%);
@@ -1080,7 +1080,7 @@ treeview.view {
   background-image: none;
   border-color: $bg_color;
   text-shadow: none;
-  &:insensitive {
+  &:disabled {
     border-width: 0 1px 1px 0;
     border-color: $bg_color;
     background-image: none;
@@ -1090,7 +1090,7 @@ treeview.view {
     border-width: 0 1px 1px 0;
     color: mix($backdrop_fg_color, $backdrop_bg_color,50%);
     background-image: none;
-    &:insensitive {
+    &:disabled {
       border-width: 0 1px 1px 0;
       border-color: $backdrop_bg_color;
       background-image: none;
@@ -1134,7 +1134,7 @@ treeview.view.progressbar { //Progressbar in treeview cells
       box-shadow: inset 0 -3px $selected_bg_color;
       color: $selected_bg_color;
     }
-    &:insensitive {
+    &:disabled {
       color: $insensitive_fg_color;
       box-shadow: none;
     }
@@ -1152,7 +1152,7 @@ menu,
       color: $selected_fg_color;
       background-color: $selected_bg_color;
     }
-    &:insensitive {
+    &:disabled {
       color: $insensitive_fg_color;
       &:backdrop { color: $insensitive_fg_color; }
     }
@@ -1225,7 +1225,7 @@ popover {
       @include button(osd);
       &:hover { @include button(osd-hover); };
       &:active { @include button(osd-active); };
-      &:insensitive { @include button(osd-insensitive); };
+      &:disabled { @include button(osd-insensitive); };
     }
   }
 }
@@ -1302,7 +1302,7 @@ notebook {
       color: $insensitive_fg_color;
       &:hover { color: mix($fg_color, $insensitive_fg_color, 50%); }
       &:active { color: $fg_color; }
-      &:insensitive { color: transparentize($insensitive_fg_color,0.7); }
+      &:disabled { color: transparentize($insensitive_fg_color,0.7); }
       &:backdrop { color: transparentize($backdrop_fg_color,0.6); }
     }
   }
@@ -1478,7 +1478,7 @@ scrollbar {
     border-radius: 20px;
     border: 5px solid transparent; //margin
     background-color: mix($bg_color, $fg_color, 50%);
-    &:backdrop, &:insensitive {
+    &:backdrop, &:disabled {
       background-color: mix($bg_color, $fg_color, 90%);
     }
     &:hover {
@@ -1557,7 +1557,7 @@ switch {
         background-color: $selected_bg_color;
         text-shadow: 0 0 2px white;
     }
-    &:insensitive {
+    &:disabled {
         color: $insensitive_fg_color;
         border-color: $borders_color;
         background-color: $insensitive_bg_color;
@@ -1575,7 +1575,7 @@ switch {
           background-color: $backdrop_borders_color;
           box-shadow: none;
         }
-        &:insensitive, &:insensitive:active {
+        &:disabled, &:disabled:active {
           background-color: $insensitive_bg_color;
           color: $insensitive_fg_color;
           border-color: $insensitive_fg_color;
@@ -1594,10 +1594,10 @@ switch {
                     inset 0 -1px mix($bg_color,$borders_color,50%);
       }
       &:active { border-color: $selected_borders_color; }
-      &:insensitive { @include button(insensitive, $edge: none); }
+      &:disabled { @include button(insensitive, $edge: none); }
       &:backdrop { @include button(backdrop);
         &:active{ border-color: $backdrop_borders_color; }
-        &:insensitive {
+        &:disabled {
           @include button(backdrop-insensitive);
         }
       }
@@ -1625,13 +1625,13 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
     &:hover { color: mix($fg_color, $bg_color, 80%) }
     &:checked, &:active {
       -gtk-icon-source: -gtk-icontheme('#{$a}-checked-symbolic');
-      &:insensitive {
+      &:disabled {
         color: $insensitive_fg_color;
         &:backdrop { color: $insensitive_fg_color; }
       }
       &:backdrop { color: $backdrop_fg_color; }
     }
-    &:insensitive {
+    &:disabled {
       color: $insensitive_fg_color;
       &:backdrop { color: $insensitive_fg_color; }
     }
@@ -1676,7 +1676,7 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
         border-color: darken($borders_color,3%);
         border-radius: 50%; // needed for double marks scales
       }
-      &:insensitive {
+      &:disabled {
         border-style: solid; // needed for double marks scales or they'll get
         border-radius: 50%;  // overridden
         background-image: none;
@@ -1689,7 +1689,7 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
         background-image: none;
         box-shadow: none;
       }
-      &:backdrop:insensitive { @include button(backdrop-insensitive);}
+      &:backdrop:disabled { @include button(backdrop-insensitive);}
       &:active {
         border: 1px solid darken($selected_borders_color,3%);
       }
@@ -1712,7 +1712,7 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
          box-shadow: none;
       }
     }
-    &:insensitive, &.hilight:insensitive {
+    &:disabled, &.hilight:disabled {
       border-color: $insensitive_borders_color;
       background-color: $insensitive_bg_color;
     }
@@ -1721,7 +1721,7 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
       background-color: mix($backdrop_bg_color,$borders_color);
       box-shadow: none;
     }
-    &:backdrop:insensitive, .hilight:backdrop:insensitive {
+    &:backdrop:disabled, .hilight:backdrop:disabled {
       border-color: $insensitive_fg_color;
       background-color: $backdrop_bg_color;
     }
@@ -1947,11 +1947,11 @@ row.activatable,
 row.activatable:backdrop,
 row.activatable:backdrop:active,
 row.activatable:backdrop:checked,
-row.activatable:backdrop:insensitive,
-row.activatable:backdrop:insensitive:active,
-row.activatable:backdrop:insensitive:checked,
-row.activatable:insensitive:active,
-row.activatable:insensitive:checked {
+row.activatable:backdrop:disabled,
+row.activatable:backdrop:disabled:active,
+row.activatable:backdrop:disabled:checked,
+row.activatable:disabled:active,
+row.activatable:disabled:checked {
   // reset button inherited stuff
   @extend %undecorated_button;
   background-color: transparentize($base_color,1); // for the transition
@@ -2097,7 +2097,7 @@ messagedialog { // Message Dialog styling
         @include button(active, $edge: none);
         @extend %middle_button;
       }
-      &:insensitive {
+      &:disabled {
         @include button(insensitive, $edge: none);
         @extend %middle_button;
       }
@@ -2105,7 +2105,7 @@ messagedialog { // Message Dialog styling
         @include button(backdrop, $edge: none);
         @extend %middle_button;
       }
-      &:backdrop:insensitive {
+      &:backdrop:disabled {
         @include button(backdrop-insensitive, $edge: none);
         @extend %middle_button;
       }
@@ -2125,12 +2125,12 @@ messagedialog { // Message Dialog styling
           &:backdrop {
             @include button(backdrop, $b_color, white);
             @extend %middle_button;
-            &:insensitive {
+            &:disabled {
               @include button(backdrop-insensitive);
               @extend %middle_button;
             }
           }
-          &:insensitive {
+          &:disabled {
             @include button(insensitive);
             @extend %middle_button;
           }
@@ -2309,9 +2309,9 @@ infobar {
     @include button(normal, $selected_bg_color, $selected_fg_color, $edge: none);
     &:hover { @include button(hover, $selected_bg_color, $selected_fg_color, $edge: none); }
     &:active { @include button(active, $selected_bg_color, $selected_fg_color, $edge: none); }
-    &:insensitive { @include button(insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
+    &:disabled { @include button(insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
     &:backdrop { @include button(backdrop, $selected_bg_color, $selected_fg_color, $edge: none); }
-    &:backdrop:insensitive { @include button(backdrop-insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
+    &:backdrop:disabled { @include button(backdrop-insensitive, $selected_bg_color, $selected_fg_color, $edge: none); }
   }
   label:selected,
   label:selected:focus,
@@ -2554,7 +2554,7 @@ cursor-handle {
     @include button(osd);
     &:hover { @include button(osd-hover); }
     &:active, &:checked { @include button(osd-active); }
-    &:insensitive, &:backdrop:insensitive { @include button(osd-insensitive); }
+    &:disabled, &:backdrop:disabled { @include button(osd-insensitive); }
     &:backdrop { @include button(osd-backdrop); }
   }
   // checkboxes and radios to use the -dark style for OSD style popovers
@@ -2563,13 +2563,13 @@ cursor-handle {
     @each $s,$as in ('','-unchecked'),
                   (':hover', '-unchecked-hover'),
                   (':active', '-unchecked-active'),
-                  (':insensitive','-unchecked-insensitive'),
+                  (':disabled','-unchecked-insensitive'),
                   (':inconsistent', '-mixed'),
                   (':inconsistent:hover', '-mixed-hover'),
                   (':inconsistent:selected', '-mixed-active'),
-                  (':inconsistent:insensitive', '-mixed-insensitive'),
+                  (':inconsistent:disabled', '-mixed-insensitive'),
                   (':checked', '-checked'),
-                  (':checked:insensitive','-checked-insensitive'),
+                  (':checked:disabled','-checked-insensitive'),
                   (':checked:hover', '-checked-hover'),
                   (':checked:active', '-checked-active'),
                   (':backdrop:checked', '-checked-backdrop') {
diff --git a/gtk/theme/HighContrast/gtk.css b/gtk/theme/HighContrast/gtk.css
index 92ae83b0e2..5e878c98f8 100644
--- a/gtk/theme/HighContrast/gtk.css
+++ b/gtk/theme/HighContrast/gtk.css
@@ -71,7 +71,7 @@
    or better, just don't.
    Everytime a wildcard is used a kitten dies, painfully.
 */
-*:insensitive {
+*:disabled {
   -gtk-icon-effect: dim; }
 
 .gtkstyle-fallback {
@@ -83,7 +83,7 @@
   .gtkstyle-fallback:active {
     background-color: #e6e6e6;
     color: #000; }
-  .gtkstyle-fallback:insensitive {
+  .gtkstyle-fallback:disabled {
     background-color: white;
     color: gray; }
   .gtkstyle-fallback:selected {
@@ -119,7 +119,7 @@ flowbox flowboxchild {
   flowbox flowboxchild:selected {
     outline-offset: -2px; }
 
-label:insensitive, label:backdrop:insensitive {
+label:disabled, label:backdrop:disabled {
   color: gray; }
 
 /*********************
@@ -136,7 +136,7 @@ spinner {
   spinner:checked {
     opacity: 1;
     animation: spin 1s linear infinite; }
-    spinner:checked:insensitive {
+    spinner:checked:disabled {
       opacity: 0.5; }
 
 /****************
@@ -167,7 +167,7 @@ entry, spinbutton {
     background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
     border-color: #000;
     box-shadow: inset 0 2px 2px -2px gray, inset 0 0 2px 1px #cccccc; }
-  entry:insensitive, spinbutton:insensitive {
+  entry:disabled, spinbutton:disabled {
     background-color: transparent;
     border-style: solid;
     background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -182,7 +182,7 @@ entry, spinbutton {
     color: #000;
     background-image: linear-gradient(to bottom, #fff);
     box-shadow: 0 1px rgba(255, 255, 255, 0); }
-  entry:backdrop:insensitive, spinbutton:backdrop:insensitive {
+  entry:backdrop:disabled, spinbutton:backdrop:disabled {
     background-color: transparent;
     border-style: solid;
     background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -226,7 +226,7 @@ entry, spinbutton {
     .linked.vertical entry:focus, .linked.vertical spinbutton:focus {
       border-color: #000;
       box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15), 0 -1px 0 0 #000; }
-    .linked.vertical entry:insensitive, .linked.vertical spinbutton:insensitive {
+    .linked.vertical entry:disabled, .linked.vertical spinbutton:disabled {
       background-color: transparent;
       border-style: solid;
       background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -235,7 +235,7 @@ entry, spinbutton {
       background-image: linear-gradient(to bottom, white);
       box-shadow: none;
       border-bottom-color: #d9d9d9; }
-      .linked.vertical entry:insensitive:backdrop, .linked.vertical spinbutton:insensitive:backdrop {
+      .linked.vertical entry:disabled:backdrop, .linked.vertical spinbutton:disabled:backdrop {
         background-color: transparent;
         border-style: solid;
         background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -264,7 +264,7 @@ entry, spinbutton {
         background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
         border-color: #000;
         box-shadow: inset 0 2px 2px -2px gray, inset 0 0 2px 1px #cccccc; }
-      .linked.vertical entry:first-child:insensitive, .linked.vertical spinbutton:first-child:insensitive {
+      .linked.vertical entry:first-child:disabled, .linked.vertical spinbutton:first-child:disabled {
         background-color: transparent;
         border-style: solid;
         background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -273,7 +273,7 @@ entry, spinbutton {
         background-image: linear-gradient(to bottom, white);
         box-shadow: none;
         border-bottom-color: #dddddd; }
-        .linked.vertical entry:first-child:insensitive:backdrop, .linked.vertical spinbutton:first-child:insensitive:backdrop {
+        .linked.vertical entry:first-child:disabled:backdrop, .linked.vertical spinbutton:first-child:disabled:backdrop {
           background-color: transparent;
           border-style: solid;
           background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -302,7 +302,7 @@ entry, spinbutton {
       .linked.vertical entry:last-child:focus, .linked.vertical spinbutton:last-child:focus {
         border-color: #000;
         box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15), 0 -1px 0 0 #000; }
-      .linked.vertical entry:last-child:insensitive, .linked.vertical spinbutton:last-child:insensitive {
+      .linked.vertical entry:last-child:disabled, .linked.vertical spinbutton:last-child:disabled {
         background-color: transparent;
         border-style: solid;
         background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -310,7 +310,7 @@ entry, spinbutton {
         border-color: gray;
         background-image: linear-gradient(to bottom, white);
         box-shadow: none; }
-        .linked.vertical entry:last-child:insensitive:backdrop, .linked.vertical spinbutton:last-child:insensitive:backdrop {
+        .linked.vertical entry:last-child:disabled:backdrop, .linked.vertical spinbutton:last-child:disabled:backdrop {
           background-color: transparent;
           border-style: solid;
           background-image: linear-gradient(to bottom, #f7f7f7, #fff 90%);
@@ -397,21 +397,21 @@ button {
       background-color: #8d8d8d;
       border-color: #8d8d8d;
       background-image: none; }
-    button:backdrop:insensitive, button.flat:backdrop:insensitive, button.sidebar-button:backdrop:insensitive {
+    button:backdrop:disabled, button.flat:backdrop:disabled, button.sidebar-button:backdrop:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
       background-color: white;
       border-color: #8d8d8d;
       background-image: none; }
-    button:backdrop:insensitive:active, button.flat:backdrop:insensitive:active, button.sidebar-button:backdrop:insensitive:active {
+    button:backdrop:disabled:active, button.flat:backdrop:disabled:active, button.sidebar-button:backdrop:disabled:active {
       border-width: 2px;
       border-style: solid;
       color: gray;
       border-color: #8d8d8d;
       background-image: none;
       background-color: #f6f6f6; }
-  button:insensitive {
+  button:disabled {
     border-width: 2px;
     border-style: solid;
     color: gray;
@@ -420,7 +420,7 @@ button {
     background-image: none;
     text-shadow: none;
     -gtk-icon-shadow: none; }
-    button:insensitive:active, button:insensitive.flat:active, button.sidebar-button:insensitive:active {
+    button:disabled:active, button:disabled.flat:active, button.sidebar-button:disabled:active {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -451,7 +451,7 @@ button {
       background-color: #fff;
       border-color: rgba(255, 255, 255, 0.2);
       box-shadow: none; }
-    .osd button:insensitive {
+    .osd button:disabled {
       border-width: 2px;
       border-style: solid;
       border-color: rgba(255, 255, 255, 0.2);
@@ -489,14 +489,14 @@ button {
       background-image: none;
       text-shadow: none;
       -gtk-icon-shadow: none; }
-      button.suggested-action:backdrop:insensitive {
+      button.suggested-action:backdrop:disabled {
         border-width: 2px;
         border-style: solid;
         color: gray;
         background-color: white;
         border-color: #8d8d8d;
         background-image: none; }
-    button.suggested-action:insensitive {
+    button.suggested-action:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -535,14 +535,14 @@ button {
       background-image: none;
       text-shadow: none;
       -gtk-icon-shadow: none; }
-      button.destructive-action:backdrop:insensitive {
+      button.destructive-action:backdrop:disabled {
         border-width: 2px;
         border-style: solid;
         color: gray;
         background-color: white;
         border-color: #8d8d8d;
         background-image: none; }
-    button.destructive-action:insensitive {
+    button.destructive-action:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -582,7 +582,7 @@ button {
     color: white;
     background-color: black;
     border-color: gray; }
-  .inline-toolbar toolbutton > button:insensitive {
+  .inline-toolbar toolbutton > button:disabled {
     border-width: 2px;
     border-style: solid;
     color: gray;
@@ -591,7 +591,7 @@ button {
     background-image: none;
     text-shadow: none;
     -gtk-icon-shadow: none; }
-  .inline-toolbar toolbutton > button:insensitive:active {
+  .inline-toolbar toolbutton > button:disabled:active {
     border-width: 2px;
     border-style: solid;
     color: gray;
@@ -614,14 +614,14 @@ button {
     background-color: #8d8d8d;
     border-color: #8d8d8d;
     background-image: none; }
-  .inline-toolbar toolbutton > button:backdrop:insensitive {
+  .inline-toolbar toolbutton > button:backdrop:disabled {
     border-width: 2px;
     border-style: solid;
     color: gray;
     background-color: white;
     border-color: #8d8d8d;
     background-image: none; }
-  .inline-toolbar toolbutton > button:backdrop:insensitive:active {
+  .inline-toolbar toolbutton > button:backdrop:disabled:active {
     border-width: 2px;
     border-style: solid;
     color: gray;
@@ -654,7 +654,7 @@ stacksidebar row.needs-attention > label {
   stacksidebar row.needs-attention > label:dir(rtl) {
     background-position: left 3px, left 4px; }
 
-.osd button, .osd button:hover, .osd button:active, .osd button:checked, .osd button:insensitive, .osd button:backdrop, .inline-toolbar button, .inline-toolbar button:backdrop, .linked > button, .linked > button:hover, .linked > button:active, .linked > button:checked, .linked > button:backdrop, .linked > combobox > button:dir(ltr) {
+.osd button, .osd button:hover, .osd button:active, .osd button:checked, .osd button:disabled, .osd button:backdrop, .inline-toolbar button, .inline-toolbar button:backdrop, .linked > button, .linked > button:hover, .linked > button:active, .linked > button:checked, .linked > button:backdrop, .linked > combobox > button:dir(ltr) {
   border-radius: 0;
   border-left-style: none; }
   .osd button:dir(rtl), .inline-toolbar button:dir(rtl), .linked > button:dir(rtl), .linked > combobox > button:dir(rtl) {
@@ -673,7 +673,7 @@ stacksidebar row.needs-attention > label {
   border-radius: 3px;
   border-style: solid; }
 
-.linked.vertical entry, .linked.vertical spinbutton, .linked.vertical entry:focus, .linked.vertical spinbutton:focus, .linked.vertical entry:insensitive, .linked.vertical spinbutton:insensitive, .linked.vertical entry:insensitive:backdrop, .linked.vertical spinbutton:insensitive:backdrop, .linked.vertical entry:backdrop, .linked.vertical spinbutton:backdrop, .linked.vertical > button, .linked.vertical > button:hover, .linked.vertical > button:active, .linked.vertical > button:checked, .linked.vertical > button:backdrop, .linked.vertical > combobox > button {
+.linked.vertical entry, .linked.vertical spinbutton, .linked.vertical entry:focus, .linked.vertical spinbutton:focus, .linked.vertical entry:disabled, .linked.vertical spinbutton:disabled, .linked.vertical entry:disabled:backdrop, .linked.vertical spinbutton:disabled:backdrop, .linked.vertical entry:backdrop, .linked.vertical spinbutton:backdrop, .linked.vertical > button, .linked.vertical > button:hover, .linked.vertical > button:active, .linked.vertical > button:checked, .linked.vertical > button:backdrop, .linked.vertical > combobox > button {
   border-left-style: solid;
   border-top-style: none;
   border-radius: 0; }
@@ -687,17 +687,17 @@ stacksidebar row.needs-attention > label {
   border-radius: 3px;
   border-style: solid; }
 
-button.flat, button.sidebar-button, button.flat:backdrop, button.sidebar-button:backdrop, button.flat:insensitive:backdrop, button.sidebar-button:insensitive:backdrop, modelbutton.flat,
+button.flat, button.sidebar-button, button.flat:backdrop, button.sidebar-button:backdrop, button.flat:disabled:backdrop, button.sidebar-button:disabled:backdrop, modelbutton.flat,
 .menuitem.button.flat, modelbutton.flat:backdrop,
 .menuitem.button.flat:backdrop, button:link, button:visited, button:link:hover, button:link:active, button:visited:hover, button:visited:active, button:link:backdrop, button:visited:backdrop, notebook tab button, row.activatable,
 row.activatable:backdrop,
 row.activatable:backdrop:active,
 row.activatable:backdrop:checked,
-row.activatable:backdrop:insensitive,
-row.activatable:backdrop:insensitive:active,
-row.activatable:backdrop:insensitive:checked,
-row.activatable:insensitive:active,
-row.activatable:insensitive:checked, calendar.button, calendar.button:hover, calendar.button:backdrop, calendar.button:backdrop:hover {
+row.activatable:backdrop:disabled,
+row.activatable:backdrop:disabled:active,
+row.activatable:backdrop:disabled:checked,
+row.activatable:disabled:active,
+row.activatable:disabled:checked, calendar.button, calendar.button:hover, calendar.button:backdrop, calendar.button:backdrop:hover {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -715,8 +715,8 @@ modelbutton.flat,
     .menuitem.button.flat:backdrop:hover {
       color: #fff;
       background-color: #000; }
-  modelbutton.flat:insensitive,
-  .menuitem.button.flat:insensitive {
+  modelbutton.flat:disabled,
+  .menuitem.button.flat:disabled {
     color: gray; }
 
 button.color {
@@ -774,7 +774,7 @@ spinbutton {
     spinbutton button:hover {
       color: #000;
       background-color: rgba(0, 0, 0, 0.05); }
-    spinbutton button:insensitive {
+    spinbutton button:disabled {
       box-shadow: none;
       color: rgba(128, 128, 128, 0.3); }
     spinbutton button:active {
@@ -784,11 +784,11 @@ spinbutton {
       border-color: rgba(141, 141, 141, 0.3);
       background-color: #fff;
       box-shadow: none; }
-    spinbutton button:backdrop:insensitive {
+    spinbutton button:backdrop:disabled {
       box-shadow: none;
       color: rgba(128, 128, 128, 0.3);
       border-width: 0 0 0 1px; }
-      spinbutton button:backdrop:insensitive:dir(rtl) {
+      spinbutton button:backdrop:disabled:dir(rtl) {
         border-width: 0 1px 0 0; }
   spinbutton.vertical button:first-child {
     border-width: 2px;
@@ -811,7 +811,7 @@ spinbutton {
       background-color: #fff;
       border-color: gray;
       background-image: none; }
-    spinbutton.vertical button:first-child:insensitive {
+    spinbutton.vertical button:first-child:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -850,7 +850,7 @@ spinbutton {
       background-color: #fff;
       border-color: gray;
       background-image: none; }
-    spinbutton.vertical button:last-child:insensitive {
+    spinbutton.vertical button:last-child:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -868,7 +868,7 @@ spinbutton {
       background-image: none;
       text-shadow: none;
       -gtk-icon-shadow: none; }
-  spinbutton.vertical button:backdrop:insensitive {
+  spinbutton.vertical button:backdrop:disabled {
     border-width: 2px;
     border-style: solid;
     color: gray;
@@ -877,10 +877,10 @@ spinbutton {
     background-image: none; }
   spinbutton.vertical.entry {
     border-radius: 0; }
-  spinbutton.vertical button:first-child, spinbutton.vertical button:first-child:active, spinbutton.vertical button:first-child:hover, spinbutton.vertical button:first-child:insensitive, spinbutton.vertical button:first-child:backdrop {
+  spinbutton.vertical button:first-child, spinbutton.vertical button:first-child:active, spinbutton.vertical button:first-child:hover, spinbutton.vertical button:first-child:disabled, spinbutton.vertical button:first-child:backdrop {
     border-radius: 3px 3px 0 0;
     border-bottom-width: 0; }
-  spinbutton.vertical button:last-child, spinbutton.vertical button:last-child:active, spinbutton.vertical button:last-child:hover, spinbutton.vertical button:last-child:insensitive, spinbutton.vertical button:last-child:backdrop {
+  spinbutton.vertical button:last-child, spinbutton.vertical button:last-child:active, spinbutton.vertical button:last-child:hover, spinbutton.vertical button:last-child:disabled, spinbutton.vertical button:last-child:backdrop {
     border-radius: 0 0 3px 3px;
     border-top-width: 0; }
 
@@ -894,7 +894,7 @@ combobox {
   box-shadow: 0 1px #fff;
   text-shadow: 0 1px white;
   -gtk-icon-shadow: 0 1px white; }
-  combobox:insensitive {
+  combobox:disabled {
     color: gray;
     text-shadow: none;
     -gtk-icon-shadow: none; }
@@ -902,7 +902,7 @@ combobox {
     color: #000;
     text-shadow: none;
     -gtk-icon-shadow: none; }
-  combobox:backdrop:insensitive {
+  combobox:backdrop:disabled {
     color: gray; }
   combobox .menuitem {
     text-shadow: none; }
@@ -1017,8 +1017,8 @@ headerbar {
         color: black;
         background-color: white;
         border-color: black; }
-      .titlebar.selection-mode button:insensitive,
-      headerbar.selection-mode button:insensitive {
+      .titlebar.selection-mode button:disabled,
+      headerbar.selection-mode button:disabled {
         border-width: 2px;
         border-style: solid;
         color: gray;
@@ -1038,8 +1038,8 @@ headerbar {
         text-shadow: none;
         -gtk-icon-shadow: none;
         border-color: black; }
-      .titlebar.selection-mode button:backdrop:insensitive,
-      headerbar.selection-mode button:backdrop:insensitive {
+      .titlebar.selection-mode button:backdrop:disabled,
+      headerbar.selection-mode button:backdrop:disabled {
         border-width: 2px;
         border-style: solid;
         color: gray;
@@ -1070,8 +1070,8 @@ headerbar {
           color: white;
           background-color: black;
           border-color: gray; }
-        .titlebar.selection-mode button.suggested-action:insensitive,
-        headerbar.selection-mode button.suggested-action:insensitive {
+        .titlebar.selection-mode button.suggested-action:disabled,
+        headerbar.selection-mode button.suggested-action:disabled {
           border-width: 2px;
           border-style: solid;
           color: gray;
@@ -1090,8 +1090,8 @@ headerbar {
           background-image: none;
           text-shadow: none;
           -gtk-icon-shadow: none; }
-        .titlebar.selection-mode button.suggested-action:backdrop:insensitive,
-        headerbar.selection-mode button.suggested-action:backdrop:insensitive {
+        .titlebar.selection-mode button.suggested-action:backdrop:disabled,
+        headerbar.selection-mode button.suggested-action:backdrop:disabled {
           border-width: 2px;
           border-style: solid;
           color: gray;
@@ -1146,13 +1146,13 @@ treeview.view {
   treeview.view:selected, treeview.view:backdrop:selected {
     border-left-color: gray;
     border-top-color: rgba(0, 0, 0, 0.1); }
-  treeview.view:insensitive {
+  treeview.view:disabled {
     color: gray; }
-    treeview.view:insensitive:selected {
+    treeview.view:disabled:selected {
       color: #666666; }
-      treeview.view:insensitive:selected:backdrop {
+      treeview.view:disabled:selected:backdrop {
         color: gray; }
-    treeview.view:insensitive:backdrop {
+    treeview.view:disabled:backdrop {
       color: gray; }
   treeview.view.separator:backdrop {
     min-height: 2px;
@@ -1220,7 +1220,7 @@ treeview.view header button, treeview.view header button:hover, treeview.view he
   background-image: none;
   border-color: #fff;
   text-shadow: none; }
-  treeview.view header button:insensitive {
+  treeview.view header button:disabled {
     border-width: 0 1px 1px 0;
     border-color: #fff;
     background-image: none; }
@@ -1229,7 +1229,7 @@ treeview.view header button, treeview.view header button:hover, treeview.view he
     border-width: 0 1px 1px 0;
     color: gray;
     background-image: none; }
-    treeview.view header button:backdrop:insensitive {
+    treeview.view header button:backdrop:disabled {
       border-width: 0 1px 1px 0;
       border-color: #fff;
       background-image: none; }
@@ -1262,7 +1262,7 @@ treeview.view.progressbar {
     .menubar > .menuitem:hover {
       box-shadow: inset 0 -3px #000;
       color: #000; }
-    .menubar > .menuitem:insensitive {
+    .menubar > .menuitem:disabled {
       color: gray;
       box-shadow: none; }
 
@@ -1277,11 +1277,11 @@ menu,
     .menu .menuitem:hover {
       color: #fff;
       background-color: #000; }
-    menu .menuitem:insensitive,
-    .menu .menuitem:insensitive {
+    menu .menuitem:disabled,
+    .menu .menuitem:disabled {
       color: gray; }
-      menu .menuitem:insensitive:backdrop,
-      .menu .menuitem:insensitive:backdrop {
+      menu .menuitem:disabled:backdrop,
+      .menu .menuitem:disabled:backdrop {
         color: gray; }
     menu .menuitem:backdrop, menu .menuitem:backdrop:hover,
     .menu .menuitem:backdrop,
@@ -1363,7 +1363,7 @@ popover {
         background-color: #fff;
         border-color: rgba(255, 255, 255, 0.2);
         box-shadow: none; }
-      popover.magnifier button:insensitive, popover.osd button:insensitive {
+      popover.magnifier button:disabled, popover.osd button:disabled {
         border-width: 2px;
         border-style: solid;
         border-color: rgba(255, 255, 255, 0.2);
@@ -1427,7 +1427,7 @@ notebook {
         color: #404040; }
       notebook header tabs arrow:active {
         color: #000; }
-      notebook header tabs arrow:insensitive {
+      notebook header tabs arrow:disabled {
         color: rgba(128, 128, 128, 0.3); }
       notebook header tabs arrow:backdrop {
         color: rgba(0, 0, 0, 0.4); }
@@ -1612,7 +1612,7 @@ scrollbar {
     border-radius: 20px;
     border: 5px solid transparent;
     background-color: gray; }
-    scrollbar slider:backdrop, scrollbar slider:insensitive {
+    scrollbar slider:backdrop, scrollbar slider:disabled {
       background-color: #e6e6e6; }
     scrollbar slider:hover {
       background-color: #4d4d4d; }
@@ -1665,7 +1665,7 @@ switch {
     border-color: #000;
     background-color: #000;
     text-shadow: 0 0 2px white; }
-  switch:insensitive {
+  switch:disabled {
     color: gray;
     border-color: gray;
     background-color: white;
@@ -1681,7 +1681,7 @@ switch {
       border-color: #8d8d8d;
       background-color: #8d8d8d;
       box-shadow: none; }
-    switch:backdrop:insensitive, switch:backdrop:insensitive:active {
+    switch:backdrop:disabled, switch:backdrop:disabled:active {
       background-color: white;
       color: gray;
       border-color: gray; }
@@ -1704,7 +1704,7 @@ switch {
       box-shadow: inset 0 1px white, inset 0 -2px rgba(255, 255, 255, 0.6), inset 0 -1px silver; }
     switch slider:active {
       border-color: #000; }
-    switch slider:insensitive {
+    switch slider:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -1724,7 +1724,7 @@ switch {
       -gtk-icon-shadow: none; }
       switch slider:backdrop:active {
         border-color: #8d8d8d; }
-      switch slider:backdrop:insensitive {
+      switch slider:backdrop:disabled {
         border-width: 2px;
         border-style: solid;
         color: gray;
@@ -1747,15 +1747,15 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
     color: #333333; }
   .check:checked, .check:active {
     -gtk-icon-source: -gtk-icontheme("checkbox-checked-symbolic"); }
-    .check:checked:insensitive, .check:active:insensitive {
+    .check:checked:disabled, .check:active:disabled {
       color: gray; }
-      .check:checked:insensitive:backdrop, .check:active:insensitive:backdrop {
+      .check:checked:disabled:backdrop, .check:active:disabled:backdrop {
         color: gray; }
     .check:checked:backdrop, .check:active:backdrop {
       color: #000; }
-  .check:insensitive {
+  .check:disabled {
     color: gray; }
-    .check:insensitive:backdrop {
+    .check:disabled:backdrop {
       color: gray; }
   .check:inconsistent {
     -gtk-icon-source: -gtk-icontheme("checkbox-mixed-symbolic"); }
@@ -1772,15 +1772,15 @@ GtkCheckButton.text-button, GtkRadioButton.text-button {
     color: #333333; }
   .radio:checked, .radio:active {
     -gtk-icon-source: -gtk-icontheme("radio-checked-symbolic"); }
-    .radio:checked:insensitive, .radio:active:insensitive {
+    .radio:checked:disabled, .radio:active:disabled {
       color: gray; }
-      .radio:checked:insensitive:backdrop, .radio:active:insensitive:backdrop {
+      .radio:checked:disabled:backdrop, .radio:active:disabled:backdrop {
         color: gray; }
     .radio:checked:backdrop, .radio:active:backdrop {
       color: #000; }
-  .radio:insensitive {
+  .radio:disabled {
     color: gray; }
-    .radio:insensitive:backdrop {
+    .radio:disabled:backdrop {
       color: gray; }
   .radio:inconsistent {
     -gtk-icon-source: -gtk-icontheme("radio-mixed-symbolic"); }
@@ -1832,9 +1832,9 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
       background-image: none;
       border-color: #787878;
       border-radius: 50%; }
-    scale trough slider:insensitive,
-    scale.scale-has-marks-above.scale-has-marks-below trough slider:insensitive,
-    scale.vertical.scale-has-marks-above.scale-has-marks-below trough slider:insensitive {
+    scale trough slider:disabled,
+    scale.scale-has-marks-above.scale-has-marks-below trough slider:disabled,
+    scale.vertical.scale-has-marks-above.scale-has-marks-below trough slider:disabled {
       border-style: solid;
       border-radius: 50%;
       background-image: none;
@@ -1847,9 +1847,9 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
       border-color: #858585;
       background-image: none;
       box-shadow: none; }
-    scale trough slider:backdrop:insensitive,
-    scale.scale-has-marks-above.scale-has-marks-below trough slider:backdrop:insensitive,
-    scale.vertical.scale-has-marks-above.scale-has-marks-below trough slider:backdrop:insensitive {
+    scale trough slider:backdrop:disabled,
+    scale.scale-has-marks-above.scale-has-marks-below trough slider:backdrop:disabled,
+    scale.vertical.scale-has-marks-above.scale-has-marks-below trough slider:backdrop:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -1881,11 +1881,11 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
         border-color: gray;
         background-color: gray;
         box-shadow: none; }
-    scale trough:insensitive, scale trough.hilight:insensitive,
-    scale.scale-has-marks-above.scale-has-marks-below trough:insensitive,
-    scale.scale-has-marks-above.scale-has-marks-below trough.hilight:insensitive,
-    scale.vertical.scale-has-marks-above.scale-has-marks-below trough:insensitive,
-    scale.vertical.scale-has-marks-above.scale-has-marks-below trough.hilight:insensitive {
+    scale trough:disabled, scale trough.hilight:disabled,
+    scale.scale-has-marks-above.scale-has-marks-below trough:disabled,
+    scale.scale-has-marks-above.scale-has-marks-below trough.hilight:disabled,
+    scale.vertical.scale-has-marks-above.scale-has-marks-below trough:disabled,
+    scale.vertical.scale-has-marks-above.scale-has-marks-below trough.hilight:disabled {
       border-color: gray;
       background-color: white; }
     scale trough:backdrop,
@@ -1894,11 +1894,11 @@ scale.vertical.scale-has-marks-above.scale-has-marks-below {
       border-color: #8d8d8d;
       background-color: silver;
       box-shadow: none; }
-    scale trough:backdrop:insensitive, scale trough .hilight:backdrop:insensitive,
-    scale.scale-has-marks-above.scale-has-marks-below trough:backdrop:insensitive,
-    scale.scale-has-marks-above.scale-has-marks-below trough .hilight:backdrop:insensitive,
-    scale.vertical.scale-has-marks-above.scale-has-marks-below trough:backdrop:insensitive,
-    scale.vertical.scale-has-marks-above.scale-has-marks-below trough .hilight:backdrop:insensitive {
+    scale trough:backdrop:disabled, scale trough .hilight:backdrop:disabled,
+    scale.scale-has-marks-above.scale-has-marks-below trough:backdrop:disabled,
+    scale.scale-has-marks-above.scale-has-marks-below trough .hilight:backdrop:disabled,
+    scale.vertical.scale-has-marks-above.scale-has-marks-below trough:backdrop:disabled,
+    scale.vertical.scale-has-marks-above.scale-has-marks-below trough .hilight:backdrop:disabled {
       border-color: gray;
       background-color: #fff; }
 
@@ -2201,11 +2201,11 @@ row.activatable,
 row.activatable:backdrop,
 row.activatable:backdrop:active,
 row.activatable:backdrop:checked,
-row.activatable:backdrop:insensitive,
-row.activatable:backdrop:insensitive:active,
-row.activatable:backdrop:insensitive:checked,
-row.activatable:insensitive:active,
-row.activatable:insensitive:checked {
+row.activatable:backdrop:disabled,
+row.activatable:backdrop:disabled:active,
+row.activatable:backdrop:disabled:checked,
+row.activatable:disabled:active,
+row.activatable:disabled:checked {
   background-color: rgba(255, 255, 255, 0);
   border-style: none;
   border-radius: 0;
@@ -2332,7 +2332,7 @@ messagedialog.csd {
       color: white;
       background-color: black;
       border-color: gray; }
-    messagedialog.csd .dialog-action-area button:insensitive {
+    messagedialog.csd .dialog-action-area button:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -2350,7 +2350,7 @@ messagedialog.csd {
       background-image: none;
       text-shadow: none;
       -gtk-icon-shadow: none; }
-    messagedialog.csd .dialog-action-area button:backdrop:insensitive {
+    messagedialog.csd .dialog-action-area button:backdrop:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -2387,14 +2387,14 @@ messagedialog.csd {
         background-image: none;
         text-shadow: none;
         -gtk-icon-shadow: none; }
-        messagedialog.csd .dialog-action-area button.suggested-action:backdrop:insensitive {
+        messagedialog.csd .dialog-action-area button.suggested-action:backdrop:disabled {
           border-width: 2px;
           border-style: solid;
           color: gray;
           background-color: white;
           border-color: #8d8d8d;
           background-image: none; }
-      messagedialog.csd .dialog-action-area button.suggested-action:insensitive {
+      messagedialog.csd .dialog-action-area button.suggested-action:disabled {
         border-width: 2px;
         border-style: solid;
         color: gray;
@@ -2433,14 +2433,14 @@ messagedialog.csd {
         background-image: none;
         text-shadow: none;
         -gtk-icon-shadow: none; }
-        messagedialog.csd .dialog-action-area button.destructive-action:backdrop:insensitive {
+        messagedialog.csd .dialog-action-area button.destructive-action:backdrop:disabled {
           border-width: 2px;
           border-style: solid;
           color: gray;
           background-color: white;
           border-color: #8d8d8d;
           background-image: none; }
-      messagedialog.csd .dialog-action-area button.destructive-action:insensitive {
+      messagedialog.csd .dialog-action-area button.destructive-action:disabled {
         border-width: 2px;
         border-style: solid;
         color: gray;
@@ -2449,7 +2449,7 @@ messagedialog.csd {
         background-image: none;
         text-shadow: none;
         -gtk-icon-shadow: none; }
-  messagedialog.csd .dialog-action-area button, messagedialog.csd .dialog-action-area button:hover, messagedialog.csd .dialog-action-area button:active, messagedialog.csd .dialog-action-area button:insensitive, messagedialog.csd .dialog-action-area button:backdrop, messagedialog.csd .dialog-action-area button:backdrop:insensitive, messagedialog.csd .dialog-action-area button.suggested-action, messagedialog.csd .dialog-action-area button.suggested-action:hover, messagedialog.csd .dialog-action-area button.suggested-action:active, messagedialog.csd .dialog-action-area button.suggested-action:backdrop, messagedialog.csd .dialog-action-area button.suggested-action:backdrop:insensitive, messagedialog.csd .dialog-action-area button.suggested-action:insensitive, messagedialog.csd .dialog-action-area button.destructive-action, messagedialog.csd .dialog-action-area button.destructive-action:hover, messagedialog.csd .dialog-action-area button.destructive-action:active, messagedialog.csd .dialog-action-area button.destructive-action:backdrop, messagedialog.csd .dialog-action-area button.destructive-action:backdrop:insensitive, messagedialog.csd .dialog-action-area button.destructive-action:insensitive {
+  messagedialog.csd .dialog-action-area button, messagedialog.csd .dialog-action-area button:hover, messagedialog.csd .dialog-action-area button:active, messagedialog.csd .dialog-action-area button:disabled, messagedialog.csd .dialog-action-area button:backdrop, messagedialog.csd .dialog-action-area button:backdrop:disabled, messagedialog.csd .dialog-action-area button.suggested-action, messagedialog.csd .dialog-action-area button.suggested-action:hover, messagedialog.csd .dialog-action-area button.suggested-action:active, messagedialog.csd .dialog-action-area button.suggested-action:backdrop, messagedialog.csd .dialog-action-area button.suggested-action:backdrop:disabled, messagedialog.csd .dialog-action-area button.suggested-action:disabled, messagedialog.csd .dialog-action-area button.destructive-action, messagedialog.csd .dialog-action-area button.destructive-action:hover, messagedialog.csd .dialog-action-area button.destructive-action:active, messagedialog.csd .dialog-action-area button.destructive-action:backdrop, messagedialog.csd .dialog-action-area button.destructive-action:backdrop:disabled, messagedialog.csd .dialog-action-area button.destructive-action:disabled {
     border-right-style: none;
     border-bottom-style: none; }
   messagedialog.csd .dialog-action-area button:last-child {
@@ -2588,10 +2588,10 @@ infobar {
       color: black;
       background-color: white;
       border-color: black; }
-    .info button:insensitive,
-    .question button:insensitive,
-    .warning button:insensitive,
-    .error button:insensitive {
+    .info button:disabled,
+    .question button:disabled,
+    .warning button:disabled,
+    .error button:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -2612,10 +2612,10 @@ infobar {
       background-image: none;
       text-shadow: none;
       -gtk-icon-shadow: none; }
-    .info button:backdrop:insensitive,
-    .question button:backdrop:insensitive,
-    .warning button:backdrop:insensitive,
-    .error button:backdrop:insensitive {
+    .info button:backdrop:disabled,
+    .question button:backdrop:disabled,
+    .warning button:backdrop:disabled,
+    .error button:backdrop:disabled {
       border-width: 2px;
       border-style: solid;
       color: gray;
@@ -2864,7 +2864,7 @@ cursor-handle {
       background-color: #fff;
       border-color: rgba(255, 255, 255, 0.2);
       box-shadow: none; }
-    .touch-selection button:insensitive, .touch-selection button:backdrop:insensitive {
+    .touch-selection button:disabled, .touch-selection button:backdrop:disabled {
       border-width: 2px;
       border-style: solid;
       border-color: rgba(255, 255, 255, 0.2);
@@ -2881,7 +2881,7 @@ cursor-handle {
   .touch-selection .check:active {
     -gtk-icon-shadow: none;
     color: #fff; }
-  .touch-selection .check:insensitive {
+  .touch-selection .check:disabled {
     -gtk-icon-shadow: none;
     color: #fff; }
   .touch-selection .check:inconsistent {
@@ -2893,13 +2893,13 @@ cursor-handle {
   .touch-selection .check:inconsistent:selected {
     -gtk-icon-shadow: none;
     color: #fff; }
-  .touch-selection .check:inconsistent:insensitive {
+  .touch-selection .check:inconsistent:disabled {
     -gtk-icon-shadow: none;
     color: #fff; }
   .touch-selection .check:checked {
     -gtk-icon-shadow: none;
     color: #fff; }
-  .touch-selection .check:checked:insensitive {
+  .touch-selection .check:checked:disabled {
     -gtk-icon-shadow: none;
     color: #fff; }
   .touch-selection .check:checked:hover {
@@ -2920,7 +2920,7 @@ cursor-handle {
   .touch-selection .radio:active {
     -gtk-icon-shadow: none;
     color: #fff; }
-  .touch-selection .radio:insensitive {
+  .touch-selection .radio:disabled {
     -gtk-icon-shadow: none;
     color: #fff; }
   .touch-selection .radio:inconsistent {
@@ -2932,13 +2932,13 @@ cursor-handle {
   .touch-selection .radio:inconsistent:selected {
     -gtk-icon-shadow: none;
     color: #fff; }
-  .touch-selection .radio:inconsistent:insensitive {
+  .touch-selection .radio:inconsistent:disabled {
     -gtk-icon-shadow: none;
     color: #fff; }
   .touch-selection .radio:checked {
     -gtk-icon-shadow: none;
     color: #fff; }
-  .touch-selection .radio:checked:insensitive {
+  .touch-selection .radio:checked:disabled {
     -gtk-icon-shadow: none;
     color: #fff; }
   .touch-selection .radio:checked:hover {