There is, at runtime browser needs to do extra matching. https://stackoverflow.c... | Hacker News

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		namelosw on April 26, 2019 \| parent \| context \| favorite \| on: Stepping Away from Sass There is, at runtime browser needs to do extra matching. https://stackoverflow.com/questions/13829959/nested-selector... It's about Less but the same rule applies to CSS and Sass.

steveax on April 26, 2019 [–]

Note the date on that. It’s my understanding that with modern browsers, except in pathological cases, selector performance is pretty much a non issue.

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