.wp-block-buttons.block-ai-summarize {
    display: grid;
    grid-template-columns: repeat( 2, 1fr );
    gap: 8px;
}

.block-ai-summarize a.wp-element-button {
    display: block;
    text-align: center;
}

@media only screen and (min-width: 767px) {

    .wp-block-buttons.block-ai-summarize {
        grid-template-columns: repeat( 4, 1fr );
    }
}