Chapter 1 Selectors
CSS rules are matched to elements with selectors. There are a number of ways to do this, and you’re probably familiar with most of them. Element type, class name, ID, and attribute selectors are all well-supported and widely used.
The Selectors Level 3 and Level 4 specifications introduced several new selectors. In some cases, these are new variations of existing types. In other cases, they are new features of the language.
In this chapter, we’ll look at the current browser landscape for CSS selectors, with a focus on newer selectors. This includes new attribute selectors and combinators, and a range of new pseudo-classes. In the section Choosing Selectors Wisely, we look at the concept of specificity.
This chapter ...
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