If we want to include circular buttons in a web page then with the help of Bootstrap 4 and a little bit of CSS, you can create your own circular buttons for your web page or application.
Example:1
<!DOCTYPE html>
<html>
<head>
<title>How to get circular buttons in bootstrap 4 ?</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<style type="text/css">
h1 {
color:green;
}
.xyz {
background-size: auto;
text-align: center;
padding-top: 100px;
}
.btn-circle.btn-sm {
width: 30px;
height: 30px;
padding: 6px 0px;
border-radius: 15px;
font-size: 8px;
text-align: center;
}
.btn-circle.btn-md {
width: 50px;
height: 50px;
padding: 7px 10px;
border-radius: 25px;
font-size: 10px;
text-align: center;
}
.btn-circle.btn-xl {
width: 70px;
height: 70px;
padding: 10px 16px;
border-radius: 35px;
font-size: 12px;
text-align: center;
}
</style>
</head>
<body class="xyz">
<h1>BAJARANGI SOFT</h1>
<h4>Normal Circle Buttons</h4>
<button type="button" class="btn btn-primary btn-circle btn-sm">Blue</button>
<button type="button" class="btn btn-secondary btn-circle btn-sm">Gray</button>
<button type="button" class="btn btn-success btn-circle btn-sm">Green</button>
<button type="button" class="btn btn-danger btn-circle btn-sm">Red</button>
<button type="button" class="btn btn-warning btn-circle btn-sm">Yellow</button>
<button type="button" class="btn btn-light btn-circle btn-sm">White</button>
<button type="button" class="btn btn-dark btn-circle btn-sm">Black</button>
<h4>Large Circle Buttons</h4>
<button type="button" class="btn btn-primary btn-circle btn-xl">Blue</button>
<button type="button" class="btn btn-secondary btn-circle btn-xl">Gray</button>
<button type="button" class="btn btn-success btn-circle btn-xl">Green</button>
<button type="button" class="btn btn-danger btn-circle btn-xl">Red</button>
<button type="button" class="btn btn-warning btn-circle btn-xl">Yellow</button>
<button type="button" class="btn btn-light btn-circle btn-xl">White</button>
<button type="button" class="btn btn-dark btn-circle btn-xl">Black</button>
</body>
</html>