Difference Between Bootstrap3 and Bootstrap4
Bootstrap is a CSS framework that is used to make website device friendly, it helps us to make websites mobile, tablet, desktop-friendly by using their grid system. Bootstrap has lots of features that helps web designer to design a website quickly such as carousel, navbar, collapse, cards, etc.
In this blog, we will learn the difference between bootstrap3 and bootstrap4 is. Bootstrap3 has very limited features for a web designer but now bootstrap4 is available for a designer it comes with a lot of features that helps web designer to make a website quickly as compared to bootstrap3.
Let’s see the major difference between the bootstrap3 and bootstrap4:
| Topics | Bootstrap3 | Bootstrap4 | 
| 
 Grid System | 
 It has 4 grid system classes (lg,md,sm, xs). 
 lg: large device >1366px resolution screen. 
 md: medium device such as desktop, laptop <1366px resolution. 
 sm: small device such as a tablet, iPad. 
 xs: xtra small device such as mobile. 
 
 | 
 It has 5 grid system classes (xl,lg,md,sm,xs). 
 xl: xtra large screen >1366px resolution. 
 lg: large device such as desktop,laptop <1366px resolution. 
 md: medium device such as a tablet,iPad. 
 sm: small device is used for mobile horizontal view. 
 xs: xtra small device is used for mobile vertical view. 
 | 
| 
 Architecture 
 | 
 Based on float system | 
 Based on flex. | 
| 
 Spacing Classes 
 | 
 There are no spacing classes. | 
 It has spacing classes for margin padding. For example : mt,py-4,mb-5,pb-4 etc. 
 
 | 
| 
 Conditional Classes 
 | 
 There are no conditional classes. | 
 It has conditional classes. For example, you can use float left on the desktop and in mobile view, you can use float right without writing extra CSS code. 
 
 | 
| 
 Responsive Image 
 | 
 It uses .img-responsive class. | 
 It uses .img-fluid class. | 
| 
 Carousel 
 | 
 It uses .item-class | 
 It uses .carousel-item-class. | 
| 
 CSS File 
 | 
 less | 
 sass | 
Categories: web designing bootstrap
 
                                 
                                                         
                 
                 
                 
                 
                 
                


