/* Allgemeine Stile */
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

header, main, footer {
  padding: 1rem;
}

ul {
  list-style: none;
  padding: 0;
}

a {
  text-decoration: none;
  color: #333;
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  background-color: #f5f5f5;
  padding: 1rem;
}

nav ul {
  display: flex;
}

nav li {
  margin-right: 1rem;
}

/* Responsive Design */
@media screen and (max-width: 600px) {
  nav ul {
    display: block;
  }
}