Chapter 1: Selectors
Understanding selectors is key to writing maintainable, scalable CSS. Selectors are the mechanism by which CSS rules are matched to elements. There are various 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.
In this chapter, we’ll firstly review the types of selectors. Then we’ll look at the current browser landscape for CSS selectors, with a focus on newer selectors defined by the Selectors Level 3 and Selectors Level 4 specifications.
This chapter stops short of being a comprehensive look at all selectors, as that could take up a whole book in itself. Instead, we’ll focus on selectors with good browser support ...
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