Responsive helpers Responsive embeds Allow browsers to determine video or slideshow dimensions based on the width of their

Breadcrumb Indicate the current page’s location within a navigational hierarchy. Separators are automatically added in CSS through

Tables Due to the widespread use of tables across third-party widgets like calendars and date pickers, we’ve designed our tables to be opt-in

Spacing Assign responsive-friendly margin or padding values to an element or a subset of its sides with shorthand classes. Includes

Accessibility Bootstrap follows common web standards and—with minimal extra effort—can be used to create sites that are accessible to those using

Invisible content The .invisible class can be used to toggle only the visibility of an element, meaning its display is not modified

Screenreaders Hide an element to all devices except screen readers with .sr-only. Combine .sr-only with .s

Flexbox Quickly manage the layout, alignment, and sizing of grid columns, navigation, components, and more with a full suite of responsive flexbox utilities

Jumbotron A lightweight, flexible component that can optionally extend the entire viewport to showcase key marketing messages on your site.

Sizing Easily make an element as wide or as tall (relative to its parent) with our width and height utilities. Includes support for 25%, 50%