@media (max-width: 800px) {
  .crazy {
    align-items: center;
    justify-content: center;
    padding: 10px 30px;
    font-size: 8px;
  }

  .Logo {
    display: flex;
    justify-content: center;
    text-align: center;

    max-width: 250;
    max-height: 200;
  }

  .box {
    justify-content: center;
    text-align: center;
    align-items: center;
  }
  .box img {
    justify-items: center;

    align-items: center;
    padding-left: -2cm;
    max-width: 200;
    max-height: 210;
  }
  .box_email icon {
    font-size: 40px;
  }
  .icon {
    font-size: 40px;
  }
  body {
    font-family: "Orbitron", sans-serif;
    background-color: black;
  }
  nav {
    position: absolute;
    top: 0;
    left: 0;
    background-color: black;
    padding: 1%;
    /* border-radius: 0 0 3px 0;*/
    color: white;
  }

  nav ul {
    display: none;
    flex-direction: column;
  }
  #toggle_button:checked ~ ul {
    display: flex;
  }
  label[for="toggle_button"] {
    display: block;
  }
  .return {
    display: none;
  }
  #karte
  {
    max-width: 200;
    max-height: 100;
  }
}