h1, h2, h3, h4{
	font-family: Helvetica, Arial, sans-serif;
	margin:0;
}

h1{
	font-size:16pt;
}

h2{
	font-size:12pt;
}

.listing{
 	margin:auto;
 	padding:5px;
 	border:1px solid gray;
 	clear:both;
 }
 
 .listing tr td{
 	padding: .5em 2em; 
 }
 
 .listing thead tr td{
 	font-weight:bold;
 }
 
 dt{
 	font-weight:bold;
 }
 
 dd{
 	margin-bottom:1em;
 }