@media only screen and (max-width: 479px) {
    html { background-image:url(../ai-cookie.php?maxwidth=479); } }
@media only screen and (min-width: 480px) and (max-width: 767px) {
    html { background-image:url(../ai-cookie.php?maxwidth=767); } }
@media only screen and (min-width: 768px) and (max-width: 991px) {
    html { background-image:url(../ai-cookie.php?maxwidth=991); } }
@media only screen and (min-width: 992px) and (max-width: 1381px) {
    html { background-image:url(../ai-cookie.php?maxwidth=1381); } }
@media only screen and (min-width: 1382px) {
    html { background-image:url(../ai-cookie.php?maxwidth=unknown); } }