/* Grundlayout */
body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  background-color: #f4f4f4;
  color: #333;
}

/* Kopfbereich */
header {
  background-color: #0b3d91;
  color: white;
  padding: 20px;
  text-align: center;
}

/* Navigation */
nav {
  background-color: #222;
  padding: 10px;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}

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

/* Hauptinhalt */
main {
  padding: 20px;
  background-color: white;
  max-width: 900px;
  margin: 20px auto;
}

/* Tabellen */
table {
  width: 100%;
  border-collapse: collapse;
}

caption {
  font-weight: bold;
  margin-bottom: 10px;
}

th, td {
  border: 1px solid #999;
  padding: 8px;
  text-align: left;
}

th {
  background-color: #ddd;
}

/* Footer */
footer {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 10px;
}