Chapter 2: Understanding Bootstrap: How it Works, and What's New

by Syed Fazle Rahman

Version 4 of Bootstrap is a major change from all its past versions. It’s a mobile-first framework and can claim to be one of the best CSS frameworks for building responsive website designs.

Since Bootstrap is a mobile-first framework, by default whatever you design or create will be mobile compatible or responsive. Isn’t that cool?

Getting Started

Bootstrap has a new website design which is itself built using the latest version of the Bootstrap framework (version 4 at the time of writing). You can either include the precompiled version of Bootstrap using a CDN or download the archive file here.

Once you unzip the archive file, you’ll see lots of files and ...

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