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Bootstrap
getbootstrap.com › docs › 5.0 › customize › components
Components · Bootstrap v5.0
We encourage you to adopt these guidelines when building with Bootstrap to create your own components. We’ve extended this approach ourselves to the custom components in our documentation and examples. Components like our callouts are built just like our provided components with base and modifier classes. This is a callout. We built it custom for our docs so our messages to you stand out. It has three variants via modifier classes. ... In your CSS, you’d have something like the following where the bulk of the styling is done via .callout.

web design front-end framework

Bootstrap (formerly Twitter Bootstrap) is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains HTML, CSS and (optionally) JavaScript-based design templates for typography, forms, buttons, navigation, … Wikipedia
Factsheet
Original authors Mark Otto, Jacob Thornton
Developer Bootstrap Core Team
Initial release August 19, 2011; 14 years ago (2011-08-19)
Factsheet
Original authors Mark Otto, Jacob Thornton
Developer Bootstrap Core Team
Initial release August 19, 2011; 14 years ago (2011-08-19)
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Bootstrap
getbootstrap.com
Bootstrap · The most popular HTML, CSS, and JS library in the world.
Bootstrap utilizes Sass for a modular and customizable architecture. Import only the components you need, enable global options like gradients and shadows, and write your own CSS with our variables, maps, functions, and mixins.
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FastBootstrap
fastbootstrap.com › components
Bootstrap Beautiful UI Components - FastBootstrap
Focus ring is an utility classes that allows you to add and modify custom focus ring styles to elements and components. ... Quickly create stylized hyperlinks with Bootstrap Icons or other icons.
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Ayroui
ayroui.com
Free Bootstrap Snippets, UI Components, and Library | Ayro UI
“Large collection of essential UI components, a useful toolkit for Bootstrap lovers. I would love to see its Tailwind CSS version too
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Bootstrap
getbootstrap.com › docs › 5.3 › customize › components
Components · Bootstrap v5.3
Many of Bootstrap’s components are built with a base-modifier class approach. This means the bulk of the styling is contained to a base class (e.g., .btn) while style variations are confined to modifier classes (e.g., .btn-danger).
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Bootstrap
getbootstrap.com › docs › 3.4 › components
Components · Bootstrap
Icon classes cannot be directly combined with other components. They should not be used along with other classes on the same element. Instead, add a nested <span> and apply the icon classes to the <span>. Icon classes should only be used on elements that contain no text content and have no child elements. Bootstrap assumes icon font files will be located in the ../fonts/ directory, relative to the compiled CSS files.
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NinjaBootstrap UI
ui.bootstrap.ninja › home
Bootstrap 5 UI Components & Templates, Tailwind-inspired
February 20, 2025 - Elevate your website's design with our exclusive collection of Bootstrap components and templates, meticulously inspired by the sleek and modern aesthetic of Tailwind CSS. Dive into a world where the flexibility and utility-first approach of Tailwind blends seamlessly with the robust and ...
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Webpixels
webpixels.io
Webpixels - The Ultimate Bootstrap Component and Template Library
Ready-made Bootstrap templates with minimalist components for dashboards, and marketing sites. Stunning, fully responsive UI components powered by Bootstrap.
Find elsewhere
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Shuffle
shuffle.dev › components › bootstrap
Bootstrap Components (3,898)
Code for 13,400+ UI components is available for registered users. Open in Bootstrap Editor
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Ayroui
ayroui.com › bootstrap-components
300+ Bootstrap UI Components Snippets | Ayro UI
Library of 300+ free and premium components & snippets also offers a minimal design system with completely free core components. A Complete UI toolkit and UI builder for Bootstrap. ... TailGrids is a UI Library of 500+ Tailwind CSS UI Components, Sections and Blocks.
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Themesberg
themesberg.com › product › ui-kit › pixel-free-bootstrap-5-ui-kit
Pixel - Free Bootstrap 5 UI KIT - Themesberg
Pixel is an extension of the Bootstrap 5 CSS framework with a focus on heavy styling customization but also with components that are not found by default in the framework, such as new cards, date pickers, timeline items, and the example pages that we’ve crafted. We invite you to check out the components here. We also built a couple of example pages to get you started with a simple website and show you what can be done using the components in this UI Kit.
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DEV Community
dev.to › bootstrap › ui-components-5a9k
300+ Bootstrap UI Components, Snippets and Blocks - DEV Community
October 21, 2021 - Massive collection of UI Components categorized into 3 different categories such as - Application UI, Marketing and Core Components.
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GrayGrids
graygrids.com › components
Free UI Components and Blocks for Bootstrap | GrayGrids
Essential UI Components, Blocks, Sections and Snippets For Bootstrap, That You Can Copy-Paste and Start Using on Bootstrap Websites.
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daily.dev
daily.dev › home › blog › get into tech › 15 free bootstrap templates & ui kits 2024
15 Free Bootstrap Templates & UI Kits 2024
August 25, 2024 - 300+ UI components and 4+ pre-built templates · Compatible with React and Vue · Ayro offers free and paid versions: The free version provides a solid foundation for business or portfolio landing pages, while paid options offer more sections and commercial licensing. Material Design for Bootstrap (MDB) combines Google's Material Design with Bootstrap. It offers: 400+ material UI elements · 600+ material icons · 74 CSS animations ·
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Bootstrap Examples
bootstrapexamples.com
300+ Free Bootstrap CSS Examples
Receive notifications about recently added high-quality components. BootstrapExamples From the makers of tailwindflex.com · BootstrapExamples is a free library offering a diverse range of Bootstrap CSS components.
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GeeksforGeeks
geeksforgeeks.org › bootstrap › explain-the-components-of-bootstrap
Explain the components of Bootstrap - GeeksforGeeks
July 23, 2025 - Bootstrap components are pre-styled UI elements like buttons, forms, navbars, and more, built with HTML, CSS, and JavaScript.
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UIdeck
uideck.com › blog › bootstrap-ui-kits
15+ Best Free Bootstrap UI Kits of 2025 | UIdeck
A UI kit comes with an outstanding ... The ready-made components available with UI Kits include sliders, progress bars, checkboxes, switches, navigation buttons, and more....
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Bootstrap-ui
docs.bootstrap-ui.com
Bootstrap UI Documentation
Loading original LESS styles allows you to customize your Bootstrap UI build. You can pick just the components you want and recolor the UI by overriding LESS variables (see src/less/config/variables.less).
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Speckyboy
speckyboy.com › home › bootstrap › 20+ free bootstrap ui kits
20+ Free Bootstrap UI Kits — Speckyboy
September 1, 2025 - It comes with nine homepage variations, ... of UI components and widgets. The free Lindy Bootstrap 5 UI kit includes everything you need for creating professional startup landing pages. The UI kit comes with over 200 UI elements and 5 example page templates. This free Material Design Bootstrap 5 UI kit is an excellent choice for anyone that wants to build a mobile-first website or an app. The kit comes with 400+ material UI elements, 600+ material icons, over 70 CSS animations, ...