@media print {
  /* Hide everything on the page by default */
  body * {
    visibility: hidden;
  }

  /* Make the print container and its children visible */
  #print-container, #print-container * {
    visibility: visible;
  }

  /* Position the print container to take up the whole page */
  #print-container {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
}