<style>

  footer {
    text-align: center;
    margin-top: 30px;
  }

  footer a {
    color: #64a543 !important;
  }


  #impressum {
    display: block;
    position: relative;
    top: -80px; 
    visibility: hidden;
  }



div {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 800px;
}

img {
  width: 60%;
  
}

</style>