refactor(gtk3): cleaned-up assets' css

gtk-3.0/gtk-widgets-assets.css

@@ -2,78 +2,51 @@
  * check and radio *
  *******************/
 /* draw regular check and radio items using our assets */
-.check,
-.check:focus,
-.check row:selected,
-.check row:selected:focus {
+.check {
     -gtk-icon-source: url("assets/checkbox-unchecked.svg");
 }
 
-.check:insensitive,
-.check row:selected:insensitive,
-.check row:selected:focus:insensitive {
+.check:insensitive {
     -gtk-icon-source: url("assets/checkbox-unchecked-insensitive.svg");
 }
 
-.check:active,
-.check:checked,
-.check row:selected:active,
-.check row:selected:focus:active {
+.check:checked {
     -gtk-icon-source: url("assets/checkbox-checked.svg");
 }
 
-.check:active:insensitive,
-.check row:selected:active:insensitive,
-.check row:selected:focus:active:insensitive {
+.check:checked:insensitive {
     -gtk-icon-source: url("assets/checkbox-checked-insensitive.svg");
 }
 
-.check:inconsistent,
-.check row:selected:inconsistent,
-.check row:selected:focus:inconsistent {
+.check:inconsistent {
     -gtk-icon-source: url("assets/checkbox-mixed.svg");
 }
 
-.check:inconsistent:insensitive,
-.check row:selected:inconsistent:insensitive,
-.check row:selected:focus:inconsistent:insensitive {
+.check:inconsistent:insensitive {
     -gtk-icon-source: url("assets/checkbox-mixed-insensitive.svg");
 }
 
-.radio,
-.radio row:selected,
-.radio row:selected:focus {
+.radio {
     -gtk-icon-source: url("assets/radio-unselected.svg");
 }
 
-.radio:insensitive,
-.radio row:selected:insensitive,
-.radio row:selected:focus:insensitive {
+.radio:insensitive {
     -gtk-icon-source: url("assets/radio-unselected-insensitive.svg");
 }
 
-.radio:active,
-.radio:checked,
-.radio row:selected:active,
-.radio row:selected:focus:active {
+.radio:checked {
     -gtk-icon-source: url("assets/radio-selected.svg");
 }
 
-.radio:active:insensitive,
-.radio row:selected:active:insensitive,
-.radio row:selected:focus:active:insensitive {
+.radio:checked:insensitive {
     -gtk-icon-source: url("assets/radio-selected-insensitive.svg");
 }
 
-.radio:inconsistent,
-.radio row:selected:inconsistent,
-.radio row:selected:focus:inconsistent {
+.radio:inconsistent {
     -gtk-icon-source: url("assets/radio-mixed.svg");
 }
 
-.radio:inconsistent:insensitive,
-.radio row:selected:inconsistent:insensitive,
-.radio row:selected:focus:inconsistent:insensitive {
+.radio:inconsistent:insensitive {
     -gtk-icon-source: url("assets/radio-mixed-insensitive.svg");
 }