.pdfviewer {
	margin:1% 0;
	border:1px solid #aaa;
	height:1400px;
	width:990px;
}
@media (max-width:767px){ 
	.pdfviewer { 
		height:350px;
	}
}
.commentbox .editor_lists .board-list-nodata {
	display: none;
}