Difference Between Bootstrap 3 and Bootstrap 4

23 October 2020 Posted by Aman Pachisia 9 Min Read

Key Difference Between Bootstrap 3 and Bootstrap 4

Bootstrap's new version has come up with some powerful changes, adding new components, eliminate others. apparently Bootstrap is the first choice of front-end developers. As we know Bootstrap is a trusted open-source framework to develop a modern website and applications quickly. The most popular HTML, CSS, and JavaScript framework for developing responsive websites. In Bootstrap 4, the Navigation component has been simplified to a great extent. One is needed to create a new list of elements employing the latest nav base class. There are some recent additions like nav-link class, nav-item class, and navigation bar styles also.

Bootstrap 4 shift from LESS to SASS for source CSS files because SASS is more impressive than LESS. For example, SASS has functionality like logical operators, loops, nested media queries, mixin, class extend, and many others. Thus, SASS gives better comfort. SASS helps you to keep large stylesheets well-organized and makes it easy to share design within the project.

What is Bootstrap?

Bootstrap is a free and open-source CSS framework control responsiveness, mobile-first front-end web development. It having CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components. Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile-first projects on the web.

Bootstrap is a front-end framework for quick and effortless web development. Bootstrap also adds HTML and CSS-based design templates for typography, forms, buttons, tables, navigation, modals, image carousels, and many other, as well as optional JavaScript plugins. Bootstrap also gives you the capability to easily create responsive designs.

Why use Bootstrap?

  • Easy to use: anyone can start Bootstrap with just basic knowledge of HTML and CSS.
  • Responsive features: Bootstrap's responsive CSS adjusts to phones, tablets, and desktops.
  • Mobile-first approach: In Bootstrap 3, mobile-first styles are part of the core framework.
  • Browser compatibility: Bootstrap is compatible with all modern browsers (Chrome, Firefox, Internet Explorer, Edge, Safari, and Opera)

Different versions of Bootstrap

  • Version 2.0 supports responsive web design.
  • Version 3.0 supports mobile-first design.
  • Version 4.0 introduces SASS and Flexbox support.

What is Bootstrap 4?

  • Bootstrap 4 is the latest version of Bootstrap, which is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first websites.
  • Bootstrap 4 having new components, a faster stylesheet, and more responsiveness.
  • Bootstrap 4 supports the latest, stable releases of all major browsers and platforms.
  • Bootstrap 4 switched from LESS to SASS for source CSS files. Because SASS is more impressive than LESS.

Features of Bootstrap 4

  • Bootstrap Reboot Functionality. In Bootstrap earlier versions, Normalize.
  • Grid System Improvements.
  • Major Browser Support.
  • Bootstrap 4 Advanced Flexbox.
  • Improved Form Support.
  • SASS Flexible Performance.
  • Introduced New Card Components.
  • Responsive Spacing Utilities.

Advantages of Bootstrap 4

  • Fewer Cross-browser bugs.
  • A consistent framework that supports major of all browsers and CSS compatibility fixes.
  • Lightweight and customizable.
  • Responsive structures and styles.
  • Several JavaScript plugins using jQuery.
  • Good documentation and community support.

Comparison Between Bootstrap 3 and Bootstrap 4

Bootstrap 3 vs Bootstrap 4

Components Bootstrap 3 Bootstrap 4
Grid System It is based on 4 tier grid system (xs, sm, md, lg). It is based on 5 tier grid system (xs, sm, md, lg, xl).
Button Size .btn-xs class is supported. In which their is only .btn-sm and .btn-lg is avaliable.
Horizontal Form .row class is not required using grid in forms. .row class is required when using grid in form.
Inverse Table Not supported. In which we can add inverse table with the help of .table-inverse class.
Primary Unit px rem
Font Size 14px 16px
Responsive Table In Bootstrap 3, .responsive-table class added to <div> element. In bootstrap 4, .responsive-table class added using <table> element.
Condensed Table It support .table-condensed. It support .table-sm.
Responsive Image Use .img-responsive class. Use .img-fluid class.
Image Alignment Use .pull-right and .pull-left class. You can use .pull-right, .pull-left and various other classes like .text-left and .text-center.
Structure For applying dropdown list, we use <ul>, <li> For applying .dropdown-item we use <a>, <button>.
Color Limited colors are avaiable it support inverse navbars but not other classes. There are many colors option .bg-dass or .navbar-light, .navbar-dark classes.
Jumbotron .jumbotron-fluid class is not required on full-width. .jumbotron-fluid class for full-width jumbotron.
Lable Pill .lable-pill is not avaiable. .label-pill class for making the corner round.
Pager It uses .next or .previous. In which we use .pager-next or .pager-previous.
Class Use .breadcrumb class against the <ul> tag. Use .breadcrumb class against the <li> tag.
Afflix Yes No
Flexbox No Yes
Carousel Item It uses .item class. It uses .carousel-item class.
Dividers Apply .divider class to <li> element. Apply .dropdown-divider class to <div> element.

Need of Bootstrap 4

Bootstrap has been one of the most trusted front-end frameworks of all time. It has a loyal audience who has been sticking around from the very robust “mobile-first” release of all times, i.e., Bootstrap 3. This overwhelming release holds the responsibility of creating one of the strongest communities ever. It’s fairly understandable syntax makes it highly approachable. All it requires is a basic knowledge of HTML and CSS.



About author

Arun Kumar(Entrepreneur, Blogger, Thinker & SEO Expert)

Arun Kumar (Solopreneur, Blogger, Thinker & SEO Expert)

Hello, I'm Arun, a Senior Digital Marketing Manager in the EdTech sector, with over 7+ years of experience. I specialize in lead generation through Facebook and Google Ads, as well as excelling in SEO, SMO, SEM, and SMM to craft captivating online presences. I'm driven by a strong sense of ownership, motivation, and an insatiable curiosity for learning. I orchestrate strategic promotions, measure KPIs, and craft compelling marketing campaigns. My email marketing strategies are designed to elevate brand visibility and product awareness. I'm also a dedicated mentor, guiding team leaders and executives to success. Let's connect and explore how I can add value to your digital marketing efforts.

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