@media all and (min-width:500px){@document url(http://www.w3.org/),url-prefix(http://www.w3.org/Style/),domain(mozilla.org),regexp("https:.*"){@supports ((perspective:10px) or (-moz-perspective:10px) or (-webkit-perspective:10px) or (-ms-perspective:10px) or (-o-perspective:10px)){@page :last{margin:3in}}}}