Simple sibling collapsing tests:
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
Simple generational + sibling collapsing tests:
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
Verify that borders/padding interfere with
sibling + generational collapsing:
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin
This has a top/bottom 10px margin