/* Basis-Look */
body {
  background-color: #111;
  color: #ddd;
  font-family: 'Courier New', monospace;
  line-height: 1.6;
  max-width: 700px;
  margin: 40px auto;
  padding: 20px;
  border: 1px solid #222;
  box-shadow: 0 0 10px #000;
}

/* Überschriften */
h1, h2, h3 {
  color: #fff;
  border-bottom: 1px solid #333;
  padding-bottom: 5px;
}

/* Links */
a {
  color: #7fffd4;
  text-decoration: none;
  border-bottom: 1px dashed #7fffd4;
}
a:hover {
  color: #fff;
  border-bottom: 1px solid #fff;
}

/* Gästebuch-iframe */
iframe {
  border: none;
  box-shadow: 0 0 8px #333;
}

/* Kleinigkeiten */
p {
  margin-bottom: 1em;
}