body {
  max-width: 40em;
  margin: 0 auto;
  padding: 5px;
  font-family: Georgia, serif;
  font-size: 18px;
  line-height: 1.6em;
  color: black;
}
h1,h2,h3 {
  color: black; 
  font-family: sans-serif;
  font-weight: normal;
}
h1 a:visited {
  color: black;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}