body {
  color: #000000;
  background: #ffffff;
  margin: 1em auto;
  padding: 1em;
  max-width: 50em;
  font-family: 'Courier New', monospace;
  font-size: 15px;
}

nav {
  font-size: 17px;
}

footer {
  clear: both;
  margin-top: 2em;
}

a {
  color: rgb(71, 169, 255);
  text-decoration: none;
}

a:hover,.active-page {
  color: rgb(12, 67, 139);
}

.portrait {
  float: right;
  margin-left: 10px;
}