@media print{
    body{ background-color:white; color:black; }
    nav, div.noprint, h1{ display:none; }
    #content {
        margin-left:0rem;
        padding: 0px 0px;
    }
}
/* Had to noprint h1 because org-publish generates h1 from #TITLE.
   But it is safe because all other headings are generated as h2+. */