#congestion {width: 1000px;line-height: 1.6em;background: #fff;}
#congestion table {margin: 15px auto;border-top: 1px solid #ccc;border-left: 1px solid #ccc;border-collapse: collapse;text-align: left;}
#congestion table th{padding: 8px;border-right: 1px solid #ccc;border-bottom: 1px solid #ccc;background-color: #f0f0f0;font-weight: normal;}
#congestion table td{padding: 8px;border-right: 1px solid #ccc;border-bottom: 1px solid #ccc;}

#congestion div.attention {margin: 20px 10%;}