May 2023
Intermediate to advanced
92 pages
1h 26m
English
book
Unleashing the Power of CSS: Advanced Techniques for Responsive User Interfaces
by Stephanie Eckles
Content preview from Unleashing the Power of CSS: Advanced Techniques for Responsive User Interfaces
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Chapter 2: Using the CSS :has() Selector for Scaling Reusable Components
Heralded as “the parent selector”, the :has() pseudo-class has far greater range than just styling an element’s ancestor. With its availability in Safari 15.4+ and Chromium 105+, and behind a flag in Firefox, now is a great time to become familiar with :has() and its use cases.
As a pseudo-class, the basic functionality of :has() is to style the element it’s attached to—otherwise known as the “target” element. This is similar to other pseudo-classes like :hover or :active, where a:hover is intended to style the <a> element in an active state.
However, :has() is also similar to :is(), :where(), and :not(), in that it accepts a a list of relative selectors within its parentheses. ...
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