Bootstrap button customisation with pressed state and hover

style.css

.btn-primary {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border-radius: 3px;
    background-color: #f57e17;
    color: #ffffff;
    border-color: #f57e17;
    font-size: 20px;
    padding: 8px 22px;
}

.btn-primary:hover,.btn-primary:active,.btn-primary:link,.btn-primary:focus,.btn-primary:active:focus {
    background-color: #e46b07;
    border-color: #e46b07;
}

.btn:active:focus, .btn:focus {
    outline: none;
    outline-offset: 0px;
}