.type-event a {
    color: #263640;
}

.type-event a.wp-block-button__link {
    background-color: #263640;
    color: #fff;
    transition: 0.2s all ease-in-out;
}

.type-event a.wp-block-button__link:hover {
    background-color: #263640;
    color: #fff !important;
}