:root{
  --bg:#ffffff;
  --text:#111;
  --muted:#444;
  --max-width:680px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
main{
  max-width:var(--max-width);
  margin:80px auto;
  padding:0 24px;
}
h1{
  font-size:40px;
  margin:0 0 8px;
  font-weight:600;
}
.tagline{ color:var(--muted); margin:0 0 20px; }
h2{ font-size:16px; margin-top:28px; }
p,ul{ color:var(--muted); margin:0 0 12px; }
a{ color:inherit; text-decoration:underline; }
ul{ padding-left:18px; }