homepage.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Dipta's Page</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" media="screen" href="bootstrap-4.3.1-dist/bootstrap-4.3.1-dist/css/bootstrap.css" >
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="container">
        <div class="row">
            <div class="about col-sm- align-self-start">
                <a class="btn btn-primary" href="#" role="button">About Me</a>
            </div>
            <div class="col-lg- align-self-center">

            </div>
            <div class="contact col-sm- align-self-end">
                <a class="btn btn-primary" href="#" role="button">Contact Me</a>
            </div>
        </div>
    </div>
</body>
</html>