:root{color-scheme:light;font-family:system-ui,sans-serif;color:#172033;background:#fafbfc;line-height:1.65}body{margin:0}a{color:#2454a6;text-underline-offset:.2em}.site-header,main,footer{max-width:70rem;margin:auto;padding:1.5rem}.site-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;border-bottom:1px solid #dce1e9}.site-name{font-weight:700;font-size:1.25rem;text-decoration:none;color:inherit}nav{display:flex;flex-wrap:wrap;gap:1rem}main{min-height:60vh}article{max-width:70ch}img,video,iframe{max-width:100%}img{height:auto}footer{border-top:1px solid #dce1e9;color:#536079}