.pdfviewer {
	margin:1% 0;
	border:1px solid #aaa;
    /*
	height:1400px;
	width:990px;
    */
    aspect-ratio : 210 / 297;
    width : 100%;
}
@media (max-width:767px){ 
	.pdfviewer { 
	/*	height:350px; */
	}
}