@media only screen and (max-width: 600px) {
    html {
      background: url(https://www.platzhirsche.net/fileadmin/platzhirsche/mitglieder/6/69289/Adobe_Stock/AdobeStock_127920353_sk.jpg) no-repeat center top 27rem;
      background-size: 45rem;
    }
  }
  @media only screen and (min-width: 601px) and (max-width: 928px)  {
    html {
      background: url(https://www.platzhirsche.net/fileadmin/platzhirsche/mitglieder/6/69289/Adobe_Stock/AdobeStock_127920353_sk.jpg) no-repeat center top 29rem;
      background-size: 72rem;
    }
  }
  .ph_content_wrapper {
    min-height: inherit; 
  }
  .ph_main {
    margin-top: 0; 
  }