.foo
  content: 'foo'


.foo.boo
  content: 'foo'


.foo, .boo
  content: 'foo'


.foo,.boo
  content: 'foo'


.foo,
.boo
  content: 'foo'


.foo > a,.bar
  content: 'baz'


.foo,
.bar
  content: 'baz'

  .baz,
  .qux
    content: 'qux'


  .fail, .blog
    content: 'cats'


  .where,
  .waldo, .qux
    content: 'found'

.foo
  .bar &,
  .baz &
    content: 'foo'

.foo
  .bar &, .baz &
    content: 'foo'