.wp-block-three-across h2 {
    font-weight: bold;
    font-size: 28px;
    line-height: 1.2857142857;
}
@media (max-width: 767px) {
    .wp-block-three-across h2 {
        font-size: 20px;
    }
}
  .prose .wp-block-three-across h2 {
    margin-bottom: 1rem;
}