Bootstrap 4 Download: How to Get Started with the Most Popular HTML, CSS, and JS Framework
If you are looking for a way to create responsive, mobile-first websites that look great and work well on any device, you might want to consider using Bootstrap 4. Bootstrap 4 is the latest version of the most popular HTML, CSS, and JavaScript framework for web development. In this article, we will show you how to download Bootstrap 4, what are its features and benefits, and how to use it in your projects.
What is Bootstrap 4?
Bootstrap 4 is a free and open-source framework that helps you create websites faster and easier. It provides a set of ready-made components, such as buttons, forms, cards, navbars, modals, and more, that you can use in your HTML code. It also comes with a powerful grid system that allows you to create flexible layouts for different screen sizes. And it has a rich collection of JavaScript plugins that add interactivity and functionality to your web pages.
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Features and benefits of Bootstrap 4
Some of the features and benefits of Bootstrap 4 are:
It is based on Sass, a popular CSS preprocessor that lets you use variables, mixins, functions, and other features to write more concise and maintainable code.
It has a new grid tier for smaller screens, which makes it easier to create responsive websites for mobile devices.
It introduces relative CSS units, such as rem and em, which make it more scalable and adaptable to different font sizes and zoom levels.
It has brand new Bootstrap cards, which are versatile containers that can hold images, text, links, buttons, and more.
It has a new reboot module, which provides a consistent base style for all HTML elements and removes browser inconsistencies.
It has opt-in flexbox support, which enables you to use the modern CSS flexbox layout mode for creating complex and flexible layouts.
It has streamlined variable customization, which makes it easier to change the default values of colors, fonts, breakpoints, and other settings.
It has new utility classes for spacing, alignment, display, sizing, and more, which give you more control over the appearance and behavior of your elements.
Differences between Bootstrap 5 and Bootstrap 3 & 4
Bootstrap 5 is the newest version of Bootstrap that was released in 2021. It supports the latest browsers and platforms but does not support Internet Explorer 11 and below. The main differences between Bootstrap 5 and Bootstrap 3 & 4 are:
Bootstrap 5 has switched to JavaScript instead of jQuery for its JavaScript plugins. This means that you don't need to include jQuery in your project anymore.
Bootstrap 5 has dropped support for Popper.js as a dependency for its JavaScript plugins. Instead, it uses its own custom positioning engine for tooltips, popovers, dropdowns, etc.
Bootstrap 5 has redesigned some of its components, such as forms, buttons, navbars, alerts, badges, etc., to make them more modern and consistent.
Bootstrap 5 has added some new components, such as offcanvas menu, accordion, placeholders, avatars, etc., to expand its functionality and usability.
Bootstrap 5 has improved its accessibility features by adding more semantic HTML elements, ARIA attributes, keyboard navigation support, etc.
How to download Bootstrap 4?
There are several ways to download Bootstrap 4 depending on your preferences and needs. Here are some of the most common options:
Compiled CSS and JS
This is the easiest way to download Bootstrap 4. You just need to download the compiled and minified versions of the Bootstrap CSS and JavaScript files from the official website. Then, you can link them in your HTML file using the <link> and <script> tags. For example:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Bootstrap 4 Example</title> <!-- Bootstrap CSS --> <link rel="stylesheet" href="css/bootstrap.min.css"> </head> <body> <!-- Your HTML code here --> <!-- Bootstrap JS --> <script src="js/bootstrap.min.js"></script> </body> </html>
Source files
If you want to have more control over the customization and compilation of Bootstrap 4, you can download the source files from the official website or GitHub. The source files include the Sass files, the JavaScript files, and the documentation files. You will need a Sass compiler and a module bundler to use them in your project. You can also use a task runner like Gulp or Grunt to automate the process.
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jsDelivr CDN
If you don't want to download Bootstrap 4 files to your local machine, you can use a CDN (Content Delivery Network) to link them directly from a remote server. A CDN is a network of servers that deliver web content faster and more efficiently to users based on their location. One of the CDNs that support Bootstrap 4 is jsDelivr. To use it, you just need to add the following <link> and <script> tags in your HTML file:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Bootstrap 4 Example</title> <!-- Bootstrap CSS from jsDelivr CDN --> <link rel="stylesheet" href=" </head> <body> <!-- Your HTML code here --> <!-- Bootstrap JS from jsDelivr CDN --> <script src=" </body> </html>
Package managers
If you are using a package manager like npm or yarn to manage your project dependencies, you can also install Bootstrap 4 using them. A package manager is a tool that helps you install, update, and manage packages of code that you use in your project. To install Bootstrap 4 using npm, you need to run the following command in your terminal:
npm install bootstrap@4
To install Bootstrap 4 using yarn, you need to run the following command in your terminal:
yarn add bootstrap@4
After installing Bootstrap 4 using a package manager, you can import it in your JavaScript or Sass files using the import or @import statements. For example:
// Import Bootstrap CSS in JavaScript import 'bootstrap/dist/css/bootstrap.min.css'; // Import Bootstrap CSS in Sass @import 'bootstrap/scss/bootstrap'; How to use Bootstrap 4?
Now that you have downloaded Bootstrap 4, you might be wondering how to use it in your web development projects. Here are some of the basic steps to get started with Bootstrap 4:
Starter template
A good way to start using Bootstrap 4 is to use the starter template that is provided on the official website. The starter template is a basic HTML file that includes the necessary links to the Bootstrap CSS and JS files, as well as a meta tag for responsive design. You can copy and paste the starter template in your HTML file and then add your own content and components. For example:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <title>Bootstrap 4 Example</title> <!-- Bootstrap CSS --> <link rel="stylesheet" href="css/bootstrap.min.css"> </head> <body> <div > <h1>Hello, world!</h1> <p>This is a simple example of using Bootstrap 4.</p> <button >Click me</button> </div> <!-- Bootstrap JS --> <script src="js/bootstrap.min.js"></script> </body> </html>
Custom components
One of the main advantages of using Bootstrap 4 is that it provides a lot of ready-made components that you can use in your web pages. These components are designed to be responsive, accessible, and customizable. You can find the documentation and examples of all the components on the official website. Some of the most common components are:
Component
Description
Alerts
Provide feedback messages for user actions.
Badges
Add small count indicators or labels to other elements.
Breadcrumbs
Indicate the current page's location within a navigational hierarchy.
Buttons
Create clickable elements for user interaction.
Cards
Create flexible and extensible content containers.
Carousel
Create a slideshow of images or other content.
Collapse
Create collapsible content panels.
Dropdowns
Create toggleable menus or lists.
Forms
Create input fields, checkboxes, radios, selects, and other form elements.
Jumbotron
Create a large box for showcasing key content or information.
List group
Create lists of items with optional badges, buttons, or custom content.
ModalCreate dialog boxes or popups that require user attention or action.
NavbarCreate responsive navigation headers with links, menus, brand name, etc.
PaginationCreate navigation links for pages or sections.
Popover
Create small overlays of content that appear when the user hovers or clicks on an element.
Progress
Create progress bars to indicate the completion status of a task or process.
Scrollspy
Highlight the current section or link in the navigation based on the scroll position.
Spinner
Create loading indicators for asynchronous operations.
Toast
Create lightweight and dismissible notifications.
Tooltip
Create small text labels that appear when the user hovers over an element.
To use these components, you just need to follow the HTML structure and classes that are specified in the documentation. You can also customize them using Sass variables, CSS properties, or JavaScript options. For example, to create a simple alert component, you can use the following code:
<div role="alert"> This is a primary alertcheck it out! </div>
Framework examples
If you want to see how Bootstrap 4 can be used to create different types of websites, you can check out the framework examples that are provided on the official website. These examples showcase some of the common web design patterns and layouts that you can achieve with Bootstrap 4. Some of the examples are:
Album: A simple template for showcasing your photos or products.
Blog: A clean and simple blog layout with a sidebar.
Carousel: A slideshow of images with captions and controls.
Cover: A one-page template for creating a landing page or a cover page.
Dashboard: A dashboard layout with a navbar, a sidebar, and a main content area.
Pricing: A pricing table with different plans and features.
Sign-in: A simple sign-in form with validation and feedback.
Sticky footer: A footer that sticks to the bottom of the page regardless of the content height.
Sticky footer navbar: A sticky footer with a navbar at the top.
Conclusion
In this article, we have learned how to download Bootstrap 4, what are its features and benefits, and how to use it in our web development projects. Bootstrap 4 is a powerful and versatile framework that can help you create responsive, mobile-first websites that look great and work well on any device. You can use Bootstrap 4 to create websites faster and easier by using its ready-made components, grid system, and JavaScript plugins. You can also customize Bootstrap 4 to suit your needs and preferences by using Sass variables, CSS properties, or JavaScript options. Bootstrap 4 is a great choice for web developers who want to create modern and professional websites with minimal effort and maximum results.
FAQs
Here are some of the frequently asked questions about Bootstrap 4:
What are the prerequisites for using Bootstrap 4?
To use Bootstrap 4, you need to have some basic knowledge of HTML, CSS, and JavaScript. You also need to have a text editor or an IDE (Integrated Development Environment) to write your code, and a web browser to view your web pages. If you want to use the source files or the package managers to download Bootstrap 4, you also need to have a Sass compiler and a module bundler installed on your machine.
How can I update from Bootstrap 3 or Bootstrap 5 to Bootstrap 4?
If you want to update from Bootstrap 3 or Bootstrap 5 to Bootstrap 4, you need to follow some steps to migrate your code and fix any compatibility issues. You can find a detailed migration guide on the official website that explains how to update your HTML structure, CSS classes, JavaScript plugins, and other settings. You can also use tools like Bootlint or Bootstrap Migration Assistant to check your code for errors and warnings.
How can I learn more about Bootstrap 4?
If you want to learn more about Bootstrap 4, you can visit the official website where you can find the documentation, examples, tutorials, themes, resources, and community support. You can also check out some of the online courses, books, blogs, podcasts, videos, and podcasts that cover Bootstrap 4 in depth. Some of the recommended resources are:
How can I contribute to Bootstrap 4?
If you want to contribute to Bootstrap 4, you can join the community of developers and designers who work on improving and maintaining the framework. You can report bugs, suggest features, submit pull requests, write documentation, create themes, or help other users on the official GitHub repository, Slack channel, or Stack Overflow. You can also support the project financially by becoming a sponsor or a backer on Open Collective or GitHub Sponsors.
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