.bca-btn[data-bca-btn-type=login] {
    border: 1px solid #350935;
    background-image: linear-gradient(#4a0d4b 10%, #350935 100%);
}
.bca-btn[data-bca-btn-type=login]:hover,
.bca-btn[data-bca-btn-type=login]:focus {
    background-image: linear-gradient(#350935 10%, #350935 100%);
}