Mastering CSS is an essential skill—the technology is continually evolving, so in order to succeed, we must keep abreast of changes. PostCSS is a great tool that allows us to not only use CSS rules of today, but work with rules of the future. In this chapter, we'll take a look at some of the CSS syntax that makes up what is frequently referred to as CSS4, and how we can provide equivalent support using current CSS3 classes.
We will cover a number of topics throughout this chapter, which will include the following:
Understanding some of the risks of supporting future CSS standards today
Exploring using
cssnext
to provide support for future CSS syntaxWorking with some of the existing plugins to convert CSS4 standards into current CSS3 code
Examining how we can change existing plugins to add more support for new CSS4 selectors
Let's make a start!