div.pdf{
    position:relative;
    width:100%;
}
div.pdf.max{
    position:fixed;
    top:0;
    width:100%;
    height:100%;
    z-index:999;
 
}
div.pdf > object{
    position:absolute;
    top:calc(1em + 9px);
    width:100%;
    height:calc(100% - 1em - 9px);
}
div.pdf div.pdfnav{
    position:absolute;
    top:0;
    width: 100%;
    overflow:hidden;
    height:calc(1em + 9px);
 }
div.pdf div.pdfnav span.resz{
    float: right;
    margin-right:1em;
}