.activity-thumbnail {
    border-radius: 1rem;
    display: block;
    flex: 3;
    height: var(--thumbnail-height);
    max-width: 100%;
    object-fit: cover;
    width: 100%;
}

.activity-full-thumbnail {
    border-radius: 1rem;
    display: block;
    height: var(--thumbnail-large-height);
    max-width: 100%;
    object-fit: cover;
    width: var(--thumbnail-large-width);
}