Bootstrap 4 is the latest version of Bootstrap at the time of writing. This version makes Bootstrap more powerful and easy to customize and use. In this chapter, you will learn about the new features of Bootstrap 4 with examples. I will assume that you already have some knowledge of Bootstrap and know how to create responsive websites using it. If you are new to Bootstrap or responsive web design, you can find good books to learn Bootstrap from scratch from the Packt catalog. We will use Bootstrap 4 to design all the projects we will be building from this chapter onwards.
In this chapter, we'll cover the following topics:
Various ways to download Bootstrap 4
The compatibility of Bootstrap 4
Support for Flexbox
Customizing Bootstrap 4
Responsive CSS units