body{margin:0;background:#f4f6f7;color:#203039;font:17px/1.65 system-ui,sans-serif}header,main,footer{max-width:1080px;margin:auto;padding:24px}header{border-bottom:1px solid #ced7dc}nav{display:flex;gap:20px;flex-wrap:wrap}a{color:#226374}main{background:white;box-sizing:border-box}img{max-width:100%;height:auto}table{max-width:100%;display:block;overflow:auto}h1,h2,h3{line-height:1.25}aside{background:#fff5dc;padding:16px;border-radius:8px;margin:18px 0}.brand{font-weight:800;font-size:28px}input,button,form{display:none}footer{font-size:14px;color:#52646d}