.sppb-btn.sppb-btn-default {
    color: #fff;
    background: #ec008c;
    padding: 15px 25px;
    border-radius: 50px;
    transition-duration: .4s;
    font-size: 16px;
    line-height: 1;
}

@media (max-width: 991px) {
    .sppb-btn.sppb-btn-default { font-size: 14px; padding: 12px 20px; }
}