body {
    font-family: sans-serif;
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
    line-height: 1.6;
}

header, footer {
    text-align: center;
    margin-bottom: 40px;
}

img {
    max-width: 85%;
    height: auto;
    border-radius: 10px;
}

h2 {
  font-size: 2rem;   /* größer */
  font-weight: bold;
  margin-top: 1.5rem;
}