how te add css to the print code example

Example 1: css print

@page {
margin: 0.5cm;
}

Example 2: print css

/* print.css */
* {
  background-image: none !important;
}

img, svg {
  display: none !important;
}

img.print, svg.print {
  display: block;
  max-width: 100%;
}