html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:#111;font-family:sans-serif;font-size:16px;line-height:1.7}
header,main,footer{max-width:760px;margin:0 auto;padding:20px}
header{border-bottom:1px solid #ddd}
footer{border-top:1px solid #ddd}
.brand{font-size:24px;font-weight:bold}
.tag,.muted,.small{color:#666}
.nav{margin-top:12px}
.nav a{margin-right:14px}
.card{margin-bottom:28px}
h1{font-size:26px}
h2{font-size:20px;margin-top:28px}
h3{font-size:17px}
a{color:#06c}
.button{display:inline-block;padding:8px 12px;border:1px solid #999}
.small{font-size:13px}