h4 {
      	font-family : Arial, Helvetica, sans-serif;
      	font-size : 12pt;
      }
.tab_header {
	font-weight: bold; 
	background: #d8d8d8; 
	padding-left: 3px;
	text-align: center;
}
.tab_2 {
	background: #e9e9e9; 
	padding-left: 3px;
	text-align: center;
}
.tab_1 {
	font-weight: bold; 
	background: #e9e9e9; 
	padding-left: 3px;
	text-align: center;
}