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Bootstrap 4 .flex-fill class
Use the flex-fill class to set the flex items to be equal width in Bootstrap 4.
Set the flex item inside the <div> set as flex −
<div class="d-flex mb-3 bg-primary"> <div class="p-2 flex-fill bg-danger">Example 1</div> <div class="p-2 flex-fill bg-warning">Example 2</div> <div class="p-2 flex-fill bg-info">Example 3</div> <div class="p-2 flex-fill bg-danger">Example 4</div> </div>
The following is an example displaying the implementation of flex-fill class −
Example
<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container mt-3"> <p>With flex-fill</p> <div class="d-flex mb-3 bg-primary"> <div class="p-2 flex-fill bg-danger">Example 1</div> <div class="p-2 flex-fill bg-warning">Example 2</div> <div class="p-2 flex-fill bg-info">Example 3</div> <div class="p-2 flex-fill bg-danger">Example 4</div> </div> <p>Without .flex-fill:</p> <div class="d-flex mb-3 bg-secondary"> <div class="p-2 bg-danger">Example 1</div> <div class="p-2 bg-warning">Example 2</div> <div class="p-2 bg-info">Example 3</div> <div class="p-2 bg-warning">Example 4</div> </div> </div> </body> </html>
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