html{
    scroll-behavior:smooth;
} 
  body .intro-screen, html .intro-screen {
    width: 100%;
    height: 200vh;
    position: fixed;
   z-index: 5000;
   overflow: hidden;
  }
  body .intro-screen .intro-screen__titel, html .intro-screen .intro-screen__titel {
    height: 100vh;
    width: 100%;
    display: block;
    top: -0.2rem;
    position: relative;
    background-color: #2ecc71;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  body .intro-screen .intro-screen__titel div, html .intro-screen .intro-screen__titel div {
    font-size: 3rem;
    color: #ffffff;
  }
  body .intro-screen .intro-screen__shape, html .intro-screen .intro-screen__shape {
    width: 100%;
    margin: -0.5rem 0 0 0;
    position: relative;
  }
  body .intro-screen .intro-screen__shape .shape, html .intro-screen .intro-screen__shape .shape {
    height: 100vh;
    width: 100%;
    display: block;
    fill: #2ecc71;
  }