.wp-block-button__link {
    border-radius: 0;
    font-family: 'Fira Sans', sans-serif;
    background-color: #12B8BE;
    box-shadow: none !important;
    padding: 15px 70px;
    text-transform: uppercase;
    font-size: 17px;
    color: #fff;
    border: transparent;
    font-weight: 500;
}
.wp-block-button__link:hover {
    background-color: #12B8BE50;
    border: transparent;
}