-@media (min-resolution: 2dppx) {
- checkbox:hover::before,
- checkbox[checked]::before {
- }
-
- checkbox[checked]::before {
- }
-
- .category-icon {
- list-style-image: url("chrome://browser/skin/preferences/in-content/icons@2x.png");
- }
-
- #category-general > .category-icon {
- -moz-image-region: rect(0, 48px, 48px, 0);
- }
-
- #category-general[selected] > .category-icon {
- -moz-image-region: rect(48px, 48px, 96px, 0);
- }
-
- #category-content > .category-icon {
- -moz-image-region: rect(0, 96px, 48px, 48px);
- }
-
- #category-content[selected] > .category-icon {
- -moz-image-region: rect(48px, 96px, 96px, 48px);
- }