Bootstrap Cheat Sheet

This section documents Bootstrap 5.x as implemented by the official Bootstrap project. No specific patch version is pinned. Unlike the other reference sections on this site, no single reference book underpins it: the content was generated with the assistance of AI from general knowledge of Bootstrap, and should be verified against the current official documentation at getbootstrap.com/docs before relying on it in production.

This section’s bibliography lists the reference material consulted while preparing these pages.

A single-page, color-coded summary of the Bootstrap essentials — installation and the starter template, the 12-column grid and breakpoints, typography and Reboot, content basics (images/tables/colors), forms and validation, the component families, buttons, tooltips and popovers, utility classes, the customizable Utility API, and Sass-based customization plus the JavaScript component API — handy for quick memorization or as a printable desk reference.

For the full explanation, every option, and additional examples, see the dedicated pages:

Getting started and layout — Getting Started and The Grid System.

Content basics — Typography, Reboot, Images, Tables, and Colors.

Forms — Forms and Forms: Validation.

Utilities and layout helpers — Utilities, The Utility API, and Layout Helpers.

Customization and behavior — Customization, JavaScript Behavior, and Accessibility.