#collection-nav { position:absolute;background-color:#FAFAFA;border-right:1px solid #DBDBDB;width:250px;padding:20px 15px; }
#collection-nav h2 { font-weight:600;font-size:21px;text-align:center;margin-bottom:20px; }
#collection-nav a { text-decoration: none;display: inline-block;font-size: 16px;margin-bottom: 10px;color:inherit; }
#collection-nav a:hover { text-decoration: underline }
#collection-nav a.active { color:#C42323; }

#gallery-iframe-container { position:absolute;left:250px;width:calc(100% - 250px) }
#gallery-iframe-container iframe { position:absolute;width:100%;height:100%; }

@media (max-width:800px) {
	#collection-nav { display:none; }
	#gallery-iframe-container { left:0; width:100%; }
}