body {
    margin: 0;
    font-family: system-ui, Arial, sans-serif;
  }

  /* Container oben */
  .bild-oben {
    width: 100%;
    text-align: center;
    padding-top: 20px;
  }

  .bild-oben img {
    max-width: 60%;   /* responsive */
    height: auto;
    display: inline-block;
    border-radius: 10px; /* optional modern */
  }

  /* Optional: auf großen Screens begrenzen */
  @media (min-width: 900px) {
    .bild-oben img {
      max-width: 700px;
    }
  }