<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <head>
        <style type="text/css">
            table {
                font-size: x-large;
            }
            #outerdiv {
                height: 100%;
            }
            /* Books opts out of smart invert but WebKit's default stylesheet inverts images,video,picture. Invert the invert. */
            @media (inverted-colors) {
                img:not(picture>img), picture { filter: invert(0); }
                video { filter: invert(0) !important; }
            }
        </style>
    </head>
    <body>
        
        <div id="outerdiv" style="display:table;text-align:center;width:100%;">
            <div id="innerdiv" style="display:table-cell;vertical-align:middle;">
            </div>
        </div>
        
    </body>
</html>
