*{box-sizing:border-box}body{margin:0;background:#050505;color:#eee;font:16px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}main{max-width:720px;margin:auto;padding:24px 20px 60px}a{color:#8bdbdf}header{border-bottom:1px solid #292929;padding:14px 20px}header a{text-decoration:none}h1{font-size:30px;line-height:1.2}h2{font-size:19px;margin-top:30px}article{padding:18px 0;border-bottom:1px solid #292929}p{color:#b6b6b6}.tag{font-size:12px;color:#8bdbdf}button{padding:12px;color:#eee;background:#222;border:1px solid #555;border-radius:8px}input{padding:12px;width:100%;background:#151515;color:#eee;border:1px solid #444;font-size:16px}nav{display:flex;gap:18px;flex-wrap:wrap}