When learning a new topic, it is highly likely that we will have questions—throughout the course of this chapter, we've looked at some of the common errors you might experience, and listed solutions to help get back on track. We then explored what might happen if you have issues that can't easily be resolved with help from other developers.
Okay, let's move on: we've covered a lot of ground throughout the book, so it's time to look forward and see what CSS may bring. The great thing about PostCSS is that plugins already exist that allow us to use tomorrow's features today—we'll cover this and more in the next chapter.