body{
    background-color: var(--background-color);
    font-size: 25px;
    padding: 1rem;
  }
  
  .card {
  
    background-color: var(--background-color);
    border-radius: 1em;
    color: white;
    
  }
  
  .cards {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-gap: 1rem;
    text-align: center;
    align-content: center;
    justify-content: center;
  }
  
  
  /*Navigationsleiste*/
  a{
    text-decoration: none;
  }
  
  nav{
    font-size: 30px;
    align-content: center;
    text-align: center;
    background-color: var(--background-color);

    border-bottom: 2px solid;
    border-color: var(--first-text-color);
    border-color: var(--first-text-color);
    
    padding-right: 40px;
  
  }
  nav ul{
    list-style: none;
    display: flex;
    gap: 20px;
  }
  
  nav a{
    color: var(--secondary-text-color);
    text-decoration: none;
    position: relative;
  }
  
  nav ul a:hover{
    color: var(--first-text-color);
  }
  nav a::after{
    content:'';
    height: 2px;
    width: 0%;
    background-color: var(--first-text-color);
    position: absolute;
    bottom: 0;
    left: 0;
  }
  nav a:hover::after{
    width: 100%;
    transition: 150ms ease-in-out;
  }
  
  nav .submenu {
  visibility: hidden;
    flex-direction: column;
    text-align:center;
  }
  
  nav .submenu li {
  display: block;
  width: 1em;
  }
  
  nav li:hover .submenu,
  nav li:active .submenu,
  nav li:focus .submenu {
  visibility: visible;
  height: auto;
    padding: 20px;
  }
  
  nav li:focus-within .submenu {
  visibility: visible;
  height: auto;
  }
  
  #box{
   display: none;
  } 
  
  label[for="box"]{
    display: none;
  }
  
  label[for="box"] span{
    font-size: 40px;
  }
  
  /*Ausgabe für kleine Endgeräte*/
  @media (max-width: 1280px) {
    nav{ padding-right: 0px;}
    nav ul{
        position: relative;
        text-align: center;
        align-items: center;
        justify-content: center;
        display: none;
        flex-direction: column;
        background-color: var(--background-color);
        padding: 1em;
        border-radius: 1em;
    }
    #box:checked ~ul{
        display: flex;
    }
    label[for="box"]{
        display: block;
    }
  }