body {
  background-color: #111;
  color: #ddd;
  font-family: monospace;
  margin: 0;
  padding: 0;
}

header, footer {
  text-align: center;
  padding: 1em;
  background-color: #222;
  border-bottom: 1px solid #333;
}

main {
  padding: 1em 2em;
}

a {
  color: #00ffff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

article.sitio {
  margin-bottom: 1.5em;
}

code {
  background-color: #333;
  padding: 2px 4px;
  border-radius: 3px;
  color: #0f0;
}