#myBtn { display: none; position: fixed; bottom: 20px; right: 30px; z-index: 99; font-size: 18px; border: none; outline: none; background-color: red; color: white;s cursor: pointer; padding: 15px; border-radius: 4px; } #myBtn:hover { background-color: #555; } .btn-group-sm>.btn, .btn-sm { margin-top : 2px; margin-bottom : 2px; } @media (max-width: 767px) { .des { display: none; } } .pd{ margin: 4px; }