In this section, we're going to see what's new in Bootstrap 4. As we go through this book, we're also going to see examples of these new features in action as we build up our different projects.
Bootstrap 4 has got quite a few new features and we will be looking at the more popular ones. Flexbox is one of the main features that has been added, also known as CSS3 Flexible Box, and it's used a lot with the grid. It allows you to accomplish the more popular layouts as well as complex layouts easily, so if you were trying to do the same thing in CSS, it would be a little more difficult and challenging. Therefore, we're going to see how Flexbox really helps make the different kinds of layout that you want to achieve in an easier manner.
LESS has been replaced with Sass, so we will see a few examples...
