#main_container {
  background-color: black;
}

#main_container table {
    border-collapse: separate;
	border-width: 0px;
	border-spacing: 0px;
	width: 100%;
	height: 100%;    
}

#main_container table td {
	border-width: 0px;
	padding: 0px;
}

.jrio_viewer_close {
	display: inline-block;
	background-image: url("close.gray.png");
	background-size: 24px 24px;
	width: 24px;
	height: 24px;
	cursor: pointer;
}

.jrio_viewer_close:hover {
	background-image: url("close.white.png");
}