@page {
 /* size: A4 landscape; */
 size: A4;
}

 #bild_drucken {

  height:100px;
 }

 #bild_container {
  height: 267mm !important;  /* might also try height: 100%; */
  page-break-after: always;
  page-break-before: always;
  page-break-inside: avoid;
 }