Introduction

Get started with Bootstrap, the world's most popular framework for building responsive, mobile-first sites, with the Bootstrap CDN and a template starter page.

What’s included

Once downloaded, unzip the compressed folder and you’ll see something like this:

public/
    ├── index.html and other .html files
    ├── assets/
    │   ├── css/
    │   ├── images/
    │   ├── js/
    │   └── vendor/
    ├── dist/
    ├── docs/
    ├── pages/
    ├── scss/
    │   ├── bootstrap/
    │   ├── custom/
    │   └── theme.scss
    ├── templates/
    │   ├── partials/
    │   └── layout.html
    ├── gulpfile.js
    └── package.json
    

Custom builds

• scss/bootstrap, which contains the most recently released version of Bootstrap (v4.1).
• scss/custom, which contains all of the custom components and overrides authored specifically for this theme.
• scss/theme.scss is the entry point for Sass files - to build your own custom build, simply modify your local custom files or edit the includes listed here.
• scss/custom/_variables.scss is home to your theme’s variables. Note that your theme’s variables file depends on and overrides an existing Bootstrap variable file. You will find the complete list of Bootstrap’s variables in scss/bootstrap/_variables.scss.