extract .alert-variant mix-in
more nesting in button-groups.less
more nesting in navs.less
extract .label-variant mix-in
extract .progress-bar-variant mix-in
Merge pull request #8404 from cvrebert/alert-variant

extract .alert-variant mix-in
Merge pull request #8405 from cvrebert/button-groups-nesting

more nesting in button-groups.less
Merge pull request #8406 from cvrebert/navs-nesting

more nesting in navs.less
Merge pull request #8407 from cvrebert/label-variant-mixin

extract .label-variant mix-in
Merge pull request #8408 from cvrebert/progress-bar-variant-mixin

extract .progress-bar-variant mix-in
more nesting in buttons.less
more nesting in navbar.less
use nesting more in pagination.less
refactor {badges,jumbotron,media,popover,print}.less (mostly nesting)
use LESS nesting more in dropdowns.less
code.less: cleanup styles that get immediately overriden later in the file
Merge pull request #8410 from cvrebert/buttons-nesting

more nesting in buttons.less
Merge pull request #8411 from cvrebert/navbar-LESS-nesting

more nesting in navbar.less
Merge pull request #8412 from cvrebert/pagination-nesting

use nesting more in pagination.less
Merge pull request #8413 from cvrebert/misc-less-refactoring

refactor {badges,jumbotron,media,popover,print}.less (mostly nesting)