html {
  font-family: sans-serif;
  color: #333;
  padding: 0;
  margin: 0;
}

body {
  padding: 0;
  margin: 0;
}

main, footer {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  padding: 1em;
}

a {
  color: #07c;
}

h1, h2 {
  color: #390;
}

p, li {
  line-height: 1.3;
}

li {
  margin-bottom: 1em;
}

footer {
  border-top: 2px solid #999;
  color: #999;
}