Does Bootstrap 3 used Flexbox ?
Bootstrap 3 used floats to handle the layout in place of the flexbox, however, Bootstrap 4 uses flexbox to handle the layout. The flexbox layout makes it easier to design a flexible responsive layout structure without using float or positioning. Therefore, we use Bootstrap 4 in place of Bootstrap 3 for the flexible design purpose.
Approach:
- We create a simple card for the online DSA Course and Blockchain Course of GFG. The bootstrap class d-flex defines a flexbox container.
- The direct HTML elements in the flexbox container are called flex items.
- The flex-direction specifies the direction of the flex items in the flexbox container.
- We use the flex-row class to move the flex items horizontally in the flexbox container.
- The justify-content class specifies the alignment of flex items along the flex-direction in a flexbox container.
- We use justify-content-end to align the flex items at the end of the flexbox container either horizontally or vertically based on the flex-direction.
- We use align-items-center to align the flex items at the center of the flexbox container either horizontally or vertically based on the flex-direction. This will apply to the opposite axis of the justify-content property.
Bootstrap CDN: We need to add the following CDN files within the HTML head element.
<link rel=”stylesheet” href=”https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css”>
<script src=”https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js”></script>
<script src=”https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/js/bootstrap.bundle.min.js”></script>
Example: In this example, we have used flexbox to align the cards in the center vertically and to the right horizontally using the flex properties.
HTML
<!DOCTYPE html> < html > < head > < link rel = "stylesheet" href = "https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css" > < script src = "https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" > </ script > < script src = "https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/js/bootstrap.bundle.min.js" > </ script > < style > .bg-container { background-image: url( "https://media.w3wiki.net/wp-content/uploads/20211108163509/w3wikiSchoolAGFGInitiativeForSchoolStudents.png" ); background-size: cover; height: 100vh; } .card { background-color:#19f7ecea; padding: 20px; width: 600px; height: 200px; border-radius: 15px; margin-right: 30px; } .main-heading { color: rgba(0, 0, 0, 0.849); font-family: "Bree Serif"; font-size: 30px; } .paragraph1 { font-family: "Roboto"; font-size: 15px; } .paragraph2 { font-size: 25px; } .button-container { text-align: center; margin: 10px; } .button { border-radius: 10px; background-color:#19f7ecea; padding: 5px; margin-top:40px; width: 250px; font-size: 20px; font-family: "Roboto"; } </ style > </ head > < body > < div class="bg-container d-flex flex-row justify-content-end align-items-center"> < div class = "card" > < h1 class = "main-heading" > Data Structure in C++ by Jitendra Kumar </ h1 > < p class = "paragraph1" > This course designed for beginners who wants to improve their programming skills and get ready for placement.</ p > < p class = "paragraph2" >12000/-</ p > < div class = "button-container" > < button class = "button" >Register Now</ button > </ div > </ div > < div class = "card" > < h1 class = "main-heading" > Blockchain Technology by Vinod Kumar </ h1 > < p class = "paragraph1" > This course designed for college student who wants to know about basic knowledge of Blockchain. </ p > < p class = "paragraph2" >20000/-</ p > < div class = "button-container" > < button class = "button" > Register Now </ button > </ div > </ div > </ div > </ body > </ html > |
Output:
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