Colors Convey meaning through color with a handful of emphasis utility classes. These may also be applied to links and will darken on hover just like our default link styles. Open example on getbootstrap.com <p class="text-muted">Fusce dapibus, tellus ac cursus commodo, tortor mauris nibh.</p> <p class="text-primary">Nullam id dolor id nibh ultricies vehicula ut id elit.</p> <p class="text-success">Duis mollis, est non commodo luctus, nisi erat porttitor ligula.<

Position Position utilities are helpful for quickly placing a component outside the normal document flow. Choose from a handful of fixed or sticky position classes as needed. Fixed top Position an element at the top of the viewport, from edge to edge. Be sure you understand the ramifications of fixed position in your project; you may need to add aditional CSS. <div class="fixed-top">...</div> Fixed bottom Position an element at the bottom of the viewport, from edge to edge. Be sure

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%, 75%, and 100% by default. Width and height utilities are generated from the $sizes Sass map in _variables.scss. Modify those values as you need to generate different utilities here. Open example on getbootstrap.com <div class="w-25 p-3" style="background-color: #eee;">Width 25%</div> <div class="w-50 p-3" style="background-color: #eee;">

Customization options Customize Bootstrap 4 with our built-in custom variables file and easily toggle global CSS preferences with new $enable-* Sass variables. Override a variable’s value and recompile with the included Gruntfile as needed. Customizing variables Bootstrap 4 ships with a _custom.scss file for easy overriding of default variables in /scss/_variables.scss. Copy and paste relevant lines from there into the _custom.scss file, modify the values, and recompile your Sass to change our

Close icon Use a generic close icon for dismissing content like modals and alerts. Be sure to include text for screen readers, as we’ve done with aria-label. Open example on getbootstrap.com <button type="button" class="close" aria-label="Close"> <span aria-hidden="true">&times;</span> </button>

Figures Anytime you need to display a piece of content—like an image with an optional caption, consider using a <figure>. Use the included .figure , .figure-img and .figure-caption classes to provide some baseline styles for the HTML5 <figure> and <figcaption> elements. Images in figures have no explicit size, so be sure to add the .img-fluid class to your <img> to make it responsive. Open example on getbootstrap.com <figure class="figure"> <img src="..." clas

Jumbotron A lightweight, flexible component that can optionally extend the entire viewport to showcase key marketing messages on your site. Example Open example on getbootstrap.com <div class="jumbotron"> <h1 class="display-3">Hello, world!</h1> <p class="lead">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p> <hr class="my-4"> <p>It uses utility classes for typogra

Alerts Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages. Contents Examples Link color Additional content Dismissing JavaScript behavior Triggers Methods Events Examples Alerts are available for any length of text, as well as an optional dismiss button. For proper styling, use one of the four required contextual classes (e.g., .alert-success). For inline dismissal, use the alerts jQuery plugin. Open example on getbootst

Buttons Use Bootstrap’s custom button styles for actions in forms, dialogs, and more. Includes support for a handful of contextual variations, sizes, states, and more. Contents Examples Button tags Outline buttons Sizes Active state Disabled state Button plugin Toggle states Checkbox and radio buttons Methods Examples Bootstrap includes six predefined button styles, each serving its own semantic purpose. Open example on getbootstrap.com <!-- Provides extra visual weight and identifies th

List group List groups are a flexible and powerful component for displaying a series of content. List group items can be modified and extended to support just about any content within. They can also be used as navigation with the right modifier class. Contents Basic example Active items Disabled items Links and buttons Contextual classes With badges Custom content Basic example The most basic list group is an unordered list with list items and the proper classes. Build upon it with the option