body {
  font-family: sans-serif;
  max-width: 700px;
  margin: 2em auto;
  padding: 0 1em;
  background: #131313;
  color: #f7f7f7;
}
h1,
h2,
h3 {
  color: #f7f7f7;
}
a {
  color: #cc7a0f;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
#content img {
  max-width: 100%;
  height: auto;
}