Home Web Front-end Bootstrap Tutorial What are the three cores of bootstrap?

What are the three cores of bootstrap?

Jul 11, 2019 am 11:49 AM
bootstrap

Bootstrap makes front-end development faster and easier. All developers can get started quickly, all devices can be adapted, and all projects are applicable.

What are the three cores of bootstrap?

Although you can directly use the CSS style sheet provided by Bootstrap, don't forget that the source code of Bootstrap is developed based on the most popular CSS preprocessing scripts - Less and Sass. You can use precompiled CSS files to develop quickly, or you can customize the styles you need from the source code. (Recommended learning: Bootstrap video tutorial)

With the help of Bootstrap, your website and application can quickly and effectively adapt to mobile phones, tablets, and PC devices through the same code, all of which are It is the result of CSS Media Query.

Bootstrap provides comprehensive and beautiful documentation. Here you can find all the detailed documentation about HTML elements, HTML and CSS components, and jQuery plugins.

Three core components of Bootstrap

Basic CSS: Set the global CSS style, basic HTML elements can be styled through class and get enhanced effects; and Advanced grid system;

Components: countless reusable components, including font icons, drop-down menus, navigation, warning bars, pop-up boxes and more;

JS plug-in: Bootstrap It comes with 13 jQuery plug-ins, which give "life" to components in Bootstrap.

Mobile first

Mobile first is the most significant change in Bootstrap 3.

In previous Bootstrap versions (until 2.x), you needed to manually reference another CSS to make the entire project mobile-friendly.

It’s different now. Bootstrap 3’s default CSS itself is mobile-friendly.

Bootstrap 3 is designed with mobile first, desktop second. This is actually a very timely shift as more and more users are now using mobile devices.

In order to make a website developed with Bootstrap mobile-friendly and ensure proper drawing and touch-screen scaling, the viewport meta tag needs to be added to the head of the web page.

As shown below:

<meta name="viewport" content="width=device-width, initial-scale=1.0">

width attribute controls the width of the device. Assuming that your website will be viewed by devices with different screen resolutions, setting it to device-width ensures that it renders correctly on different devices.

initial-scale=1.0 ensures that when the web page is loaded, it will be rendered at a 1:1 ratio without any scaling.

On mobile device browsers, you can disable the zooming function by adding user-scalable=no to the viewport meta tag

For more Bootstrap related technical articles, please visit Learn in the Bootstrap Tutorial column!

The above is the detailed content of What are the three cores of bootstrap?. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undress AI Tool

Undress AI Tool

Undress images for free

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to use bootstrap in vue How to use bootstrap in vue Apr 07, 2025 pm 11:33 PM

Using Bootstrap in Vue.js is divided into five steps: Install Bootstrap. Import Bootstrap in main.js. Use the Bootstrap component directly in the template. Optional: Custom style. Optional: Use plug-ins.

How to write split lines on bootstrap How to write split lines on bootstrap Apr 07, 2025 pm 03:12 PM

There are two ways to create a Bootstrap split line: using the tag, which creates a horizontal split line. Use the CSS border property to create custom style split lines.

How to verify bootstrap date How to verify bootstrap date Apr 07, 2025 pm 03:06 PM

To verify dates in Bootstrap, follow these steps: Introduce the required scripts and styles; initialize the date selector component; set the data-bv-date attribute to enable verification; configure verification rules (such as date formats, error messages, etc.); integrate the Bootstrap verification framework and automatically verify date input when form is submitted.

How to view the date of bootstrap How to view the date of bootstrap Apr 07, 2025 pm 03:03 PM

Answer: You can use the date picker component of Bootstrap to view dates in the page. Steps: Introduce the Bootstrap framework. Create a date selector input box in HTML. Bootstrap will automatically add styles to the selector. Use JavaScript to get the selected date.

How to set up the framework for bootstrap How to set up the framework for bootstrap Apr 07, 2025 pm 03:27 PM

To set up the Bootstrap framework, you need to follow these steps: 1. Reference the Bootstrap file via CDN; 2. Download and host the file on your own server; 3. Include the Bootstrap file in HTML; 4. Compile Sass/Less as needed; 5. Import a custom file (optional). Once setup is complete, you can use Bootstrap's grid systems, components, and styles to create responsive websites and applications.

How to insert pictures on bootstrap How to insert pictures on bootstrap Apr 07, 2025 pm 03:30 PM

There are several ways to insert images in Bootstrap: insert images directly, using the HTML img tag. With the Bootstrap image component, you can provide responsive images and more styles. Set the image size, use the img-fluid class to make the image adaptable. Set the border, using the img-bordered class. Set the rounded corners and use the img-rounded class. Set the shadow, use the shadow class. Resize and position the image, using CSS style. Using the background image, use the background-image CSS property.

10 latest tools for web developers 10 latest tools for web developers May 07, 2025 pm 04:48 PM

Web development design is a promising career field. However, this industry also faces many challenges. As more businesses and brands turn to the online marketplace, web developers have the opportunity to demonstrate their skills and succeed in their careers. However, as demand for web development continues to grow, the number of developers is also increasing, resulting in increasingly fierce competition. But it’s exciting that if you have the talent and will, you can always find new ways to create unique designs and ideas. As a web developer, you may need to keep looking for new tools and resources. These new tools and resources not only make your job more convenient, but also improve the quality of your work, thus helping you win more business and customers. The trends of web development are constantly changing.

How to use bootstrap button How to use bootstrap button Apr 07, 2025 pm 03:09 PM

How to use the Bootstrap button? Introduce Bootstrap CSS to create button elements and add Bootstrap button class to add button text

See all articles