In this chapter, you refreshed and extended your knowledge about CSS3. You learned how to compile your Less code on the client side. Furthermore, you have written the code that allows you to have rounded corners, gradients, and animations in Less, so you can now witness the profits of using Less and take the crucial initial steps to organize and plan your new projects. You witnessed why you would want to use CSS resets, how to compile these into Less code, as well as how the box-sizing border-box can make your job easier. You also saw what a mixin is, how to use it, and how you can import a Less file with the @import directive. Last but not least, you have learned what server-side compiling is and how to use GUIs.
In the next chapter, you will learn how to use variables in Less and how to build and use complex mixins.