body {
  font-family: Open Sans, sans-serif;
  background-color: white;
  line-height: 1.3;
}

main {
  max-width: 60ch;
  padding: 2ch;
  margin: auto;
}

header {
  margin-bottom: 1.5rem;
}

h1 {
  margin-bottom: 0.5rem;
}

.sub {
  color: #666;
}

hr {
  border: 1px solid #666;
  margin: 0.5rem auto;
}

footer {
  margin-top: 2rem;
  text-align: right;
  font-size: small
}

a {
  color: #082583;
  text-decoration: none;
  outline: 0;
}

a:visited {
  color: #3577b4;
}

a:hover {
  text-decoration: underline;
}