.hidden {
    display: none;
}
.quote {
    margin: 0;
    background: #eee;
    padding: 1em;
    border-radius: 1em;
}
.quote blockquote {
    margin: 1em;
    white-space: pre-line;
}
.quote figcaption {
    margin: 1em;
}
#attribution::before {
    content: "— ";
}
#source::before {
    content: "(via "
}
#source::after {
    content: ")"
}