Bootstrap 5 provides a lot of utilities to make a stylish, mobile-friendly, and responsive front-end website without using any CSS code. The utility layout is used for showing, hiding, aligning, and spacing content.
BootStrap 5 Utilities Changing Display provides some display properties for setting the display. Some display properties like set to display responsive and display toggling, etc. It can be mixed with a grid system, content, or component for a responsive output.
BootStrap 5 Utilities Changing Display Class: There is no predefined class for this, but you need to have knowledge of Bootstrap 5 Display Utilities.
Example 1: The following example shows the changing display utilities of Bootstrap5.
<!DOCTYPE html>
<html>
<head>
<!-- Bootstrap CDN -->
<link rel="stylesheet"
href=
"https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/css/bootstrap.min.css"
crossorigin="anonymous">
</head>
<body class="container">
<h1 class="text-success">GeeksforGeeks</h1>
<h3>Bootstrap5 Utilities Changing display</h3>
<br>
<div class="container">
<div class="d-inline p-2 bg-danger border">
GFG display inline
</div>
<div class="d-inline p-2 bg-info">
GFG display inline</div>
<div class="d-inline p-2 bg-primary">
GFG display inline</div>
<div class="d-inline p-2 bg-secondary">
GFG display inline</div>
</div>
</body>
</html>
Output:

Example 2: In this example, we will use Display utility classes.
<!DOCTYPE html>
<html>
<head>
<!-- Bootstrap CDN -->
<link rel="stylesheet"
href=
"https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/css/bootstrap.min.css"
crossorigin="anonymous">
</head>
<body class="container">
<h1 class="text-success">GeeksforGeeks</h1>
<h3>Bootstrap5 Utilities Changing display</h3>
<br>
<div class="container">
<div class="d-block p-2 col-8
bg-danger border">
GeeksforGeeks display block
</div>
<div class="d-block p-2 col-8 bg-info">
GeeksforGeeks display block
</div>
<div class="d-block p-2 col-8 bg-primary">
GeeksforGeeks display block
</div>
<div class="d-block p-2 col-8 bg-secondary">
GeeksforGeeks display block
</div>
</div>
</body>
</html>
Output:

Reference: https://getbootstrap.com/docs/5.2/layout/utilities/#changing-display