Automatically collapse navigation items into a "More" menu when space is limited using the Priority+ pattern.

Create beautifully simple form labels that float over your input fields.

A generic close button for dismissing content like modals and alerts.

Bootstrap includes many CSS custom properties (variables) in its compiled CSS for real-time customization without the need to recompile Sass. These provide easy access to commonly used values like our ...

Bootstrap ships resources built for large language models and AI-powered coding tools: machine-readable documentation you can feed to an LLM, and a set of agent skills that walk agents through common ...

.border-primary--bs-bc: var(--bs-primary-bg); border-color: var(--bs-bc); .border-accent--bs-bc: var(--bs-accent-bg); border-color: var(--bs-bc); .border-success--bs ...

Quickly create stylized hyperlinks with Bootstrap Icons or other icons.

Use our powerful mobile-first flexbox grid to build layouts of all shapes and sizes thanks to a twelve column system, six default responsive tiers, Sass variables and mixins, and dozens of predefined ...

Use justify-content utilities to change the alignment of flex items on the main axis.

Get started using Bootstrap in seconds by including our production-ready CSS and JavaScript by using a CDN without the need for any build steps. CDNs provide copies of Bootstrap’s codebase that’s ...

List groups are a flexible and powerful component for displaying a series of content. Modify and extend them to support just about any content within.

Provide visual feedback on password strength with segmented meters or progress bars that update as users type.