Import Bootstrap first, then use Sass map functions to modify, add, or remove utilities. Get a jump on including Bootstrap’s source files in a new project with our official guides. Jump right into building with Bootstrap—use the CDN, install it via package manager, or download the source code. Visit the Layout docs or our official examples to start laying out your site’s content and components. We hope this article answered the question of what bootstrap is and helped you understand the benefits of using it in web development and web design.

CareerFoundry is an online school for people looking to switch to a rewarding career in tech. Select a program, get paired with an expert mentor and tutor, and become a job-ready designer, developer, or analyst from scratch, or your money back. Before you become familiar with Bootstrap, some of its syntax can be confusing. When using the grid system, for example, in order to make a column that takes up a third of the screen, you have to add the .col-md-4 class to it. One of the main critiques when it comes to frameworks such as Bootstrap is their size—the weight they throw around can really slow down your application upon first load.

Using Javascript/jQuery

A well-liked front-end framework for creating responsive, mobile-first websites is called Bootstrap. The grid layout, pre-made UI elements (such as buttons, forms, and navigation menus), and integrated support for well-liked CSS and JavaScript plugins are some of its standout features. Bootstrap is a free and open-source tool collection for creating responsive websites and web applications. It is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first websites.

what is bootstrap

Use them as SVGs or icon fonts—both options give you vector scaling and easy customization via CSS. New in Bootstrap 5, our utilities are now generated by our Utility API. We built it as a feature-packed Sass map that can be quickly and easily customized. It’s never been easier to add, remove, or modify any utility classes. Make utilities responsive, add pseudo-class variants, and give them custom names. When you only need to include Bootstrap’s compiled CSS or JS, you can use jsDelivr.

Bootstrap CSS Ref

See it in action with our simple quick start, or browse the examples to jumpstart your next project. Bootstrap also comes with several JavaScript components which do not require other libraries like jQuery. They provide additional user interface elements such as dialog boxes, tooltips, progress bars, navigation drop-downs, and carousels.

what is bootstrap

To make a site responsive, you need to reduce the load times, and images are the main cause of slow load times. Luckily, Bootstrap comes with its own code for resizing images automatically, using predefined CSS rules and adding a new class to the images. This makes it easier for a Bootstrap developer to efficiently address this aspect of web development. So, frameworks are cool, but what makes Bootstrap a good choice? Well, since its appearance in 2011, Bootstrap instantly gained the recognition of web designers and developers for how flexible Bootstrap is and how easy it is to work with. Bootstrap can be used with an IDE or editor of your choice, and it can be used alongside server-side languages ranging from ASP.NET to PHP or even Ruby.

However, there may be limitations regarding modals and dropdowns on smaller screens. The first container class provides a fixed-width container, while the latter offers a full-width container capable of adjusting your project to all screen sizes. You can also use themes for popular content management systems as learning tools. For example, most WordPress themes were developed using Bootstrap, which any beginner web developer can access. Due to its popularity, plenty of tutorials and online forums are available to help you get started.

what is bootstrap

Its files are compiled for easy access, and it only requires basic knowledge of HTML, CSS, and JS to modify them. Bootstrap’s primary objective is to create responsive, mobile-first websites. It ensures all interface elements of a website work optimally on all screen sizes.

  • Now that we’ve looked at what exactly it is, let’s look at some other advantages it has for coders (on top of being free, naturally).
  • For example, if you are only using basic components like forms and buttons then you can remove other components like accordions etc from the main CSS file.
  • If you’ve been considering front-end engineering as a career option, then you’ve likely heard about Bootstrap and its multiple versions.
  • We’ve hunkered down and improved our documentation in several places, giving more explanation, removing ambiguity, and providing much more support for extending Bootstrap.

Our bootstrap.bundle.js and bootstrap.bundle.min.js include Popper, but not jQuery. For more information about what’s included in Bootstrap, please see our contents section. We also wrote about a few related subjects like dynamic website, web designer vs web developer, the best WordPress plugins for developers, and JavaScript IDE. You can utilize what is bootstrap a pre-made theme or make your own by altering the Bootstrap files to meet the structure and specifications of your CMS to integrate Bootstrap into a CMS. The widely used CMSs Joomla, Drupal, and WordPress all support Bootstrap. Generally, Bootstrap 5 is superior to Bootstrap 4 in terms of speed, flexibility, and additional features.

what is bootstrap

Nurture your inner tech pro with personalized guidance from not one, but two industry experts. They’ll provide feedback, support, and advice as you build your new career. Our career-change programs are designed to take you from beginner to pro in your tech career—with personalized support every step of the way. The easiest way to customize Bootstrap—include only the CSS you need. Stay up to date on the development of Bootstrap and reach out to the community with these helpful resources. For improved cross-browser rendering, we use Reboot to correct inconsistencies across browsers and devices while providing slightly more opinionated resets to common HTML elements.