html, body {
      height: 100%;
      margin: 0;
      background: white;          /* Startfarbe = weiß */
    }

    body {
      opacity: 0;                 /* Inhalt unsichtbar zu Beginn */
      animation: 
        fadeInContent 5.2s ease-out forwards;
    }

    /* Der eigentliche Fade-In */
    @keyframes fadeInContent {
      to {
        opacity: 1;
      }
    }

html {
	background: transparent;
}
body {
    background-color: transparent;
    background: transparent;
}

#header img {
  background-color: transparent;
}.img-fluid {
/*        max-width: 512px; */
	max-width: 15rem;
}