.kasten {
  width: 100%;
  height: 50vh;
  background-color: #222;
  position: absolute;
  z-index: 1111111 !important;
}


.kasten ul{

      margin: auto;
      width: 80%;
      list-style: none;
      font-style: none;
      text-decoration: none;
      font-size: 40px;
      margin-top: 37px;
      color: white;

}



.navimobil{
  display: none;
}

/*  #Mobile (Portrait) - Note: Design for a width of 320px */
@media only screen and (max-width: 767px) {

  .navimobil{
    display: block;
    z-index: 11111111 !important;
  }
  .kasten {
    width: 100%;
    height: 50vh;
    background-color: #222;
    position: absolute;
    z-index: 1111111 !important;
    display: none;
  }
  .kasten ul{
      margin: auto;
      width: 80%;
      list-style: none;
      font-style: none;
      text-decoration: none;
      font-size: 40px;
      margin-top: 37px;
      color: white;
      padding-left: 12%;

  }
    .kasten a{
      color: white;
    }

}


/* #Tablet (Portrai) */
@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait)  {

.navimobil{
  display: block;
  z-index: 11111111 !important;
}

.kasten {
  width: 100%;
  height: 40vh;
  background-color: #222;
  position: absolute;
  z-index: 1111111 !important;
  display: none;
}
.kasten ul{
    margin: auto;
    width: 80%;
    list-style: none;
    font-style: none;
    text-decoration: none;
    font-size: 60px;
    margin-top: 37px;
    color: white;
    padding-left: 12%;

}
  .kasten a{
    color: white;
  }
}

/*  #Mobile (Portrait) - Note: Design for a width of 320px */
@media only screen and (max-device-width: 480px) and (orientation : portrait){

  .navimobil{
    display: block;
    z-index: 11111111 !important;
    margin-top: 100px;
  }
  .kasten {
    width: 100%;
    height: 40vh;
    background-color: #222;
    position: absolute;
    z-index: 1111111 !important;
    display: none;
  }
  .kasten ul{
      margin: auto;
      width: 80%;
      list-style: none;
      font-style: none;
      text-decoration: none;
      font-size: 60px;
      margin-top: 37px;
      color: white;
      padding-left: 12%;

  }
    .kasten a{
      color: white;
    }

}