.thumbnail-video {
    max-width: 400px;
}
/* Overrides default iframe styling for YouTube embeds. */
figure.thumbnail iframe {
    margin: 0 auto;
    max-width: 100%;
}
.summary {
        font-family: var(--header-font-family);
        max-width: 75%;
        margin: 0 auto;
        text-align: center;
        font-weight: 600;
        margin-block-start: 0 !important;
    }