:root{color-scheme:light dark;font-family:system-ui,sans-serif;background:Canvas;color:CanvasText}body{max-width:52rem;margin:auto;padding:1.5rem;line-height:1.65}header{display:flex;justify-content:space-between;gap:1rem}main{padding-block:2rem}h1,h2{line-height:1.2}h2{font-size:1.25rem;margin-top:2rem}a{color:LinkText;overflow-wrap:anywhere}p{overflow-wrap:anywhere}footer{border-top:1px solid GrayText;padding-block:1rem}nav{display:flex;gap:1rem;flex-wrap:wrap}@media print{header,footer{display:none}body{max-width:none;padding:0}a{color:inherit}}