body {
  font-family: Gotham, 'Helvetica Neue', Helvetica, Arial, 'sans-serif';
  background-image: url('hintergrund.png'); /* oder .png, .webp */
  background-size: cover;
  background-position: center;
  background-repeat: repeat;
  background-attachment: fixed;
  color: #fff; /* Helle Schrift für dunklen Hintergrund */
  margin: 0;
  padding: 2em;
}
header {
  text-align: center;
  margin-bottom: 2em;
}
h1 {
  font-size: 2.5em;
  margin-bottom: 0.2em;
}
p.lead {
  font-size: 1.2em;
  color: #fff;
}
a:link {
	color: #FFF;
	line-height: 150%;
}
a:visited {
	color: #FFF;
	line-height: 150%;
}
a:hover {
	color: #FFF;
	line-height: 150%;
}
a:active {
	color: #FFF;
	line-height: 150%;
}
nav {
  margin-top: 2em;
  text-align: center;
}
nav a {
  margin: 0 1em;
  text-decoration: none;
  color: #005577;
  font-weight: bold;
}
ul {line-height: 1.6;}
section {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}
footer {
  text-align: center;
  margin-top: 4em;
  font-size: 0.9em;
  color: #fff;
}