.btn-primary {
    background-color: transparent;
    border: .3rem solid #000;
    color: #000;
    border-radius: 0;
    padding: .375rem .5rem;
    font-size: .9rem;
}

.btn-primary:hover {
    background-color: #000;
    border: .3rem solid #000;
    color: #fff;
    text-decoration: none;
}


a.btn-primary:hover {
    text-decoration: none !important;
}