:root {
    --hell: rgb(213, 228, 235);
    --dunkel: rgb(21, 24, 65);
  }
  
  body {
    margin: 0;
    background-color: 191ba9;
    color: white;
    font-size:x-large;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
      Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;  
  }
  
  header {
    padding-top: 24px;
    padding-bottom: 24px;
  }
  
  nav {
    position: sticky;
    top: 0;
    font-weight: 500;
  
    z-index: 99;
  }
  
  footer,
  nav {
    backdrop-filter: brightness(60%);
    font-size: large;
    font-weight: bold;
  }
  
  footer ul,
  nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  
  footer ul li,
  nav ul li {
    padding: 16px;
  }
  .middle {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  section {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 24px;
    box-sizing: border-box;
  
    padding-top: 48px;
    transform: translateY(-48px);
  }
  a:link {
    color:rgb(92, 194, 242);
    text-decoration: none;
  }
  a:visited {
    color: red;
  }
  a:hover {
    color: greenyellow;
  }
  a:active {
    color: yellow;
  }