body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial; line-height:1.5; padding:20px; max-width:900px; margin:auto; color:#111; }
    h1,h2 { margin-top:1.2em; }
    a { color:#0366d6; text-decoration:none; }
    a:hover { text-decoration:underline; }
    ul { margin:0.5em 0 1.2em 1.2em; }
    .muted { color:#555; font-size:0.95em; }
    .volume { margin-bottom:1em; }