Note that we do not nest a new instance of` .person__face {}` inside of `.person--handsome {}`; instead, we make use of {{or: [[LESS]] | [[Sass]]}}’ parent selectors to prepend .person--handsome onto the existing .person__face {} selector. This means that all of our .person__face {}-related rules exist in once place, and aren’t spread throughout the file. This is general good practice when dealing with nested code: keep all of your context (e.g. all .person__face {} code) encapsulated in one location.

LESS

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