.btn {
    background-color: #0B72AF;
    border: none;
    color: white;
    padding: 15px 80px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 22px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 7px;
}
    .btn:enabled {
        background: #0B72AF;
    }

    .btn:disabled {
        background: #dddddd;
    }

    .btn:hover {
        color: white;
    }