The first step on our journey is to get PostCSS installed—this runs from Node.js; we can use any one of several task runner plugins to install it. For the purpose of the exercises throughout this book, we will use Gulp; if you prefer, alternatives such as Grunt or Broccoli can be used.
When using Node.js, make sure you use the Node.js command prompt, and not
node.exe; the exercises will not work when using the latter!
Let's make a start with installing Node and Gulp:
When installing, accept all defaults; this will be sufficient for the exercises throughout this ...