body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f9f9f9;
}

.container {
  width: 90%;
  margin: 0 auto; /* Zentriert den Container */
  max-width: 1200px; /* Begrenzt die maximale Breite des Containers */
}

header {
  background-color: #4caf50;
  color: #ffffff;
  padding: 20px;
  text-align: center;
}

main {
  padding: 20px;
}

.container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

article {
  flex: 1;
  margin-right: 20px;
}

aside {
  flex: 1;
}

footer {
  background-color: #4caf50;
  color: #ffffff;
  padding: 20px;
  text-align: center;
}

/* CSS für Bilder */
img {
  max-width: 100%;
  height: auto;
}