← You kept Sass for one reason. Native CSS nesting just ended it.Quiz
Native CSS nesting
Native CSS nesting replaced Sass's most-used feature, but & is a selector, not a string. Test whether you know what & really expands to, how nesting resolves without it, and where it quietly does nothing.
questions6
pass mark70%
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No account needed. Every answer is explained as you go, with a reference to the spec or MDN — pass and you can claim a certificate.