rect.entity { fill: purple; stroke-width: 2px;}
rect.relationship { fill: lightgreen; stroke-width: 2px;}
text.label1 {fill:white; font-size:8pt; font-family: arial; font-weight: bold;}
text.label2 {fill:blue; font-size:6pt; font-family: arial; font-weight: bold;}
span.hidden {visibility: hidden; }
span.shown {visibility: visible; }
tr.table-header {font-weight: bold; text-align: center; color: green; font-family: arial;}
h3.table_header {font-family: arial; text-align: center;}
table {font-family: arial; font-size: 80%;}