body {
  font-family: sans-serif;
  margin: 10% 10% 25% 10%; /* oben, rechts, unten, links */
  line-height: 1.6;
  color: #111;
}

#impressum img {
  display: block;
  margin-bottom: 1.5em;
}

#impressum h2 {
  font-size: 1.8em;
  margin-bottom: 0.5em;
}

#impressum p {
  margin-bottom: 1em;
}