.pdfviewer {
	margin:1% 0;
	border:1px solid #aaa;
	height:1400px;
	width:990px;
}
@media (max-width:767px){ 
	.pdfviewer { 
		height:350px;
	}
}

.board_view_content table{}
.board_view_content table th{padding:1.2rem;background-color:#fafafa;border:1px solid #ddd;}
.board_view_content table td{padding:1.2rem 1.6rem;border:1px solid #ddd;}