// List Groups @mixin list-group-item-variant($state, $background, $color) { .list-group-item-#{$state} { color: $color; background-color: $background; // [converter] extracted a&, button& to a.list-group-item-#{$state}, button.list-group-item-#{$state} } a.list-group-item-#{$state}, button.list-group-item-#{$state} { color: $color; .list-group-item-heading { color: inherit; } &:hover, &:focus { color: $color; background-color: darken($background, 5%); } &.active, &.active:hover, &.active:focus { color: #fff; background-color: $color; border-color: $color; } } }