Instruction: Describe how the ':not()' pseudo-class works and provide examples of its use cases.
Context: This question tests the candidate's knowledge of advanced CSS selectors, specifically the negation pseudo-class and its practical applications in styling.
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For instance, if we consider a basic web page with multiple <div> elements, some of which have a class of .highlight, and our goal is to style all <div>s except those with the .highlight class, the :not() pseudo-class offers a clean solution. Instead of applying a style to all <div> elements and then undoing it for .highlight ones, we can simply write: div:not(.highlight) { /* styling here */ }. This will apply the specified styles to all <div> elements that do not have the .highlight class, streamlining the styling process and reducing the CSS file's complexity and size.
The :not() pseudo-class can be particularly useful in several scenarios:...