Bootstrap 5 List group Contextual classes are used to style list-group-items with different backgrounds and colors.
Bootstrap 5 List group Contextual Used Classes:
- list-group-item-primary: For blue color styling of the list item
- list-group-item-success: For green color styling of the list item
- list-group-item-secondary: For grey color styling of the list item
- list-group-item-danger: For red color styling of the list item
- list-group-item-warning: For yellow color styling of the list item
- list-group-item-light: For transparent color styling of the list item
- list-group-item-dark: For grey color styling of the list item
- list-group-item-dark: For simple display of list item
Syntax: This * can be substituted for any of the classes of above mentioned Classes
<ul class="list-group">
<li class="list-group-item list-group-item-*">
...
</li>
</ul>
Example 1: In this example, we will learn about the primary, success, and secondary classes of Bootstrap5.
<!DOCTYPE html>
<html>
<head>
<link href=
"https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css"
rel="stylesheet" integrity=
"sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC"
crossorigin="anonymous">
</head>
<body>
<div class="container text-center">
<h1 class="text-success">
GeeksforGeeks
</h1>
<h2>Bootstrap 5 List group
Contextual classes
</h2>
<ul class="list-group">
<li class="list-group-item">
I am List Group Item - Default
</li>
<li class="list-group-item list-group-item-primary">
I am List Group Item - Primary
</li>
<li class="list-group-item list-group-item-success">
I am List Group Item - Success
</li>
<li class="list-group-item list-group-item-secondary">
I am List Group Item - Secondary
</li>
</ul>
</div>
</body>
</html>
Output:

Example 2: In this example, we will learn about the danger, warning, light, and dark classes of Bootstrap5.
<!DOCTYPE html>
<html>
<head>
<link href=
"https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css"
rel="stylesheet" integrity=
"sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC"
crossorigin="anonymous">
</head>
<body>
<div class="container text-center">
<h1 class="text-success">
GeeksforGeeks
</h1>
<h2>Bootstrap 5 List group
Contextual classes
</h2>
<ul class="list-group">
<li class="list-group-item list-group-item-danger">
I am List Group Item - Danger
</li>
<li class="list-group-item list-group-item-warning">
I am List Group Item - warning
</li>
<li class="list-group-item list-group-item-light">
I am List Group Item - light
</li>
<li class="list-group-item list-group-item-dark">
I am List Group Item - dark
</li>
</ul>
</div>
</body>
</html>
Output:

Reference: https://getbootstrap.com/docs/5.0/components/list-group/#contextual-classes