/* Hintergrund und Grundstil */
body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #4CAF50, #8BC34A);
  color: #fff;
  margin: 0;
  padding: 0;
}

/* Kopfzeile */
header {
  background-color: #2E7D32;
  color: white;
  padding: 15px;
  text-align: center;
}

/* Navigation */
nav {
  text-align: center;
  margin: 20px 0;
}

nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #FFF176;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

/* Hauptbereich */
main {
  padding: 20px;
  text-align: center;
}

/* Fußzeile */
footer {
  background-color: #2E7D32;
  color: white;
  text-align: center;
  padding: 10px;
  position: relative;
  bottom: 0;
  width: 100%;
}