*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#1d2731;background:#f6f8f5;line-height:1.6}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}header{background:#1f5f3b;color:#fff}header .wrap{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;flex-wrap:wrap}
.logo{color:#fff;font-weight:700;font-size:20px;text-decoration:none}nav a{color:#dfeee4;margin-left:18px;text-decoration:none}nav a:hover{color:#fff}
.hero{padding:40px 0 10px}h1{font-size:30px;margin:0 0 10px}h2{margin-top:40px;border-bottom:2px solid #1f5f3b;padding-bottom:6px}
article{background:#fff;border-radius:8px;padding:16px 20px;margin:16px 0;box-shadow:0 1px 3px rgba(0,0,0,.08)}article h3{margin:0 0 4px}time{color:#6b7a86;font-size:14px}
footer{margin-top:50px;padding:20px 0;background:#e6ece6;color:#56636d;font-size:14px}