.wp-block-buttons.is-style-kombo {
    padding: 0.25rem;
    background-color: var(--wp--preset--color--background);
    border-radius: 0.5rem;
    width: max-content;
}

@media screen and (max-width: 450px) {
    .wp-block-buttons.is-style-kombo {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        & div {
            width: 100%;
        }
        & div:first-child a {
            width: 100%;
        }
        & div:last-child {
            padding-top: 8px;
            padding-bottom: 4px;
        }
    }
}