/*
 * mdBook's bundled Open Sans files do not contain Chinese glyphs. Keep the
 * Traditional Chinese edition on a known CJK font so Chromium can embed the
 * glyphs when mdbook-pdf prints the book.
 */
html[lang="zh-TW"] {
    font-family: "Noto Sans CJK TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}