.contenttable, .headertable{
	display:block;
	width:100%;
	/*table-layout:fixed;*/
	font-family: arial, verdana, sans-serif;
	font-size: .78em;
	position: relative;
	margin-left:1px; 
    border-style:hidden;
	
	/*-moz-border-radius:15px;
	-webkit-border-radius:15px;
	border-radius:15px;*/
}

/*#content_header {
	width: 69%;
	margin:25px;
}*/

tr.bottom_row > td {
	padding-bottom: 1em;
	border-bottom: #AAAAAA 1px solid;
}
tr, td{
	/*background-color:rgba(209, 227, 255,.42);*/
    text-align:center;
    /*padding:5px;*/
}

th {
   border-bottom: #AAAAAA 1px solid;
}
td{
   border: #E5FAFB 1px solid;
   line-height:2.0em;
}

 .contentTable td {
	/*padding: 15px 3px;*/
	color: black;
	border: #eee 1px solid;
}

table th {
	/*padding: 3px 0px;*/
    text-align:center;
	background-color: rgba(214, 224, 224, 0.95);
}
/*nav a:hover {
	 background-color: rgb(170, 170, 255);
	 background-color: rgba(170, 170, 255,.82);

 }*/
 
.selected tr:hover  {
	font-weight:900;
	background-color:yellow;
 }
 
table td {
	line-height: 20px;
	padding: 5px 10px;
} 

table td:hover  {
	/*background-color: #FFFF66;*/
	/*background: -webkit-gradient(linear, left top, left bottom, from(#f2f2f2), to(#f0f0f0));
	background: -moz-linear-gradient(top,  #f2f2f2,  #f0f0f0);	*/
}

table u {
	text-decoration: none;
}

.selected {
	font-weight:900;
	background-color: yellow;
}

#imperial_table, #metric_table{
	display:block;
	width:740;
	table-layout:fixed;
	font-family: arial, verdana, sans-serif;
	font-size: .78em;
	position: relative;
	/*padding: 3px;*/
	margin-left:5px; 
    border-style:hidden;
    margin-bottom: 10px;
	margin-right: 0px;
}

#imperial_table,
#imperial_table tr,
#imperial_table td,
#imperial_table th
#metric_table,
#metric_table tr,
#metric_table td,
#metric_table, th {
	/*border: 1px dotted yellow;*/
	background-color: transparent;
	margin:4px 0 4px 0;
	border-collapse: collapse;
	border: none;
}