.wp-block-quote.is-style-large, .wp-block-quote.is-large {
    margin: 0 0 16px;
    padding: 0 1em;
}

.wp-block-quote.is-style-large p, .wp-block-quote.is-large p {
    font-size: 24px;
    font-style: italic;
    line-height: 1.6;
}

.wp-block-quote.is-style-large cite,
.wp-block-quote.is-style-large footer, .wp-block-quote.is-large cite,
.wp-block-quote.is-large footer {
    font-size: 18px;
    text-align: right;
}