Bootstrap is a popular front-end framework for building responsive and mobile-first websites. It provides pre-designed CSS, JavaScript components, and utility classes to quickly create modern and consistent user interfaces.
- It Includes pre-built responsive grid systems for mobile-first design.
- Offers a wide range of UI components like buttons, modals, and navbars.
- Provides built-in support for responsive typography, spacing, and utilities.
- Extensively customizable via Sass variables and Bootstrap's configuration.
To start with Bootstrap, you need to install it on your project or use the CDN link. Follow these articles to install, depending on your system:
Let us now take a look at our first code example.
HTML
<html>
<head>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css"
rel="stylesheet"
integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH"
crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"
integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz"
crossorigin="anonymous"></script>
</head>
<body>
<div class="container text-center">
<h1 class="text-success">
Welcome to GeeksforGeeks
</h1>
<p class="text-dark">A Simple Example of Bootstrap</p>
</div>
</body>
</html>
Output
FIrst Bootstrap ExampleIn this example:
- Bootstrap CSS and JavaScript files are included via CDNs with integrity attributes for security.
- The container class ensures the content is responsive and aligned.
- The text-center class centers the text within the div.
- The text-success class adds a green color to the heading, using Bootstrap's built-in color utilities.
Why Learn Bootstrap?
- Accelerates the development of modern web pages.
- Ensures consistent design across devices and browsers.
- Reduces the need for writing custom CSS.
- Ideal for both beginners and professionals in web development.
Bootstrap TutorialBootstrap layout is built on a flexible grid layout that adjusts seamlessly to different screen sizes. It uses a 12-column grid system to create responsive designs. You can control the width and positioning of columns by combining classes for different screen sizes (e.g., .col-md-6 for medium devices).
Bootstrap provides a range of classes to enhance and structure content. It includes typography classes for headings, paragraphs, and text alignment, as well as helper classes for spacing and text colors.
Bootstrap simplifies form creation with pre-styled components and layouts. It includes classes for form controls like text inputs, select menus, and checkboxes.
Bootstrap offers a rich set of pre-designed components to streamline UI development. These include buttons, cards, modals, navbars, and more.
Bootstrap helpers are utility classes that simplify common tasks and improve readability. They include classes for text alignment, visibility, display properties, and more.
Bootstrap utilities are small, reusable classes that provide additional functionality and control. They include classes for spacing, alignment, borders, and background colors.
Bootstrap For Interview
Features of Bootstrap
- Grid System: Easily create responsive layouts with a flexible grid system that adjusts seamlessly to various screen sizes.
- Forms: Build user-friendly forms with diverse styles and functionalities, including validation.
- Buttons: Add customizable buttons of all shapes and sizes to enhance your website's interactivity.
- Navigation: Implement intuitive navigation menus, from simple dropdowns to advanced mega menus.
- Alerts: Effectively communicate with dismissible alerts, warnings, and success notifications.
- Images: Improve your website's visual appeal with responsive image handling.
- JavaScript Plugins: Integrate interactive features like modals, tooltips, and carousels using Bootstrap’s JavaScript plugins.
Applications of Bootstrap
- Creating Responsive Websites
- Prototyping Web Applications
- Developing Admin Dashboards
- Building Landing Pages
- Designing E-commerce Frontends
Bootstrap vs Other CSS Frameworks
| Feature | Bootstrap | Tailwind CSS | Foundation |
|---|
| Design Philosophy | Pre-designed Components | Utility-first | Pre-designed Components |
| Learning Curve | Easy | Moderate | Moderate |
| Customization | Moderate | High | Moderate |
| Responsiveness | Built-in | Built-in | Built-in |
| Use Case | Quick Prototypes | Tailored Designs | Enterprise Websites |
Best Approach to Learn Bootstrap
You can complete this Bootstrap tutorial in approximately 8 weeks.