You wouldn't be using it in this case. This would be being used to test inheritance (p {font-size: 10px} #aPTag {font-size: 12px} etc), and the like. If you wor

You wouldn't be using it in this case. This would be being used to test inheritance (p {font-size: 10px} #aPTag {font-size: 12px} etc), and the like. If you work on any large scale site, there can be all kinds of things that crop up because a dev thinks they aren't going to impact anything by removing a tag in a class selector.