BODY {
scrollbar-face-color:#FFFFFF;
scrollbar-highlight-color:#C0C0C0;
scrollbar-3dlight-color:#DDDDDD;
scrollbar-darkshadow-color:#464646;
scrollbar-shadow-color:#8A8A8A;
scrollbar-arrow-color:#FF0000;
scrollbar-track-color:#C0C0C0;
}
<!--------Dinh nghia table------------->

body {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	font-style: normal;
	font-weight: normal;
    }

td {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
   }

 
 .khung {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #ffffff;
	font-style: normal;
	font-weight: bold;
	/*padding-left: 10px ; */	
}

.text {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #333333;
	font-style: normal;
	font-weight: normal;
	text-align: justify;
	padding-left: 10px ;
	padding-right: 8px ;	
}

A.nav3{
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	font-style: normal;
	font-weight: bold;
	color: #1c36ad;
	text-decoration: none;
	padding-left: 8px;
	padding-top: 5px;
	background-color: #ffffff;
	width: 145; 
	height: 22;
	border-bottom: 1px solid #0099ff;	
	border-left:1px solid #3c75f4;
	border-right:1px solid #3c75f4;
}
A.nav3:hover{
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	font-style: normal;
	font-weight: bold;
	color: #fc3131;
	text-decoration: none;
	padding-left: 8px;
	padding-top: 5px;
	background-color: #b8d8ff;
	width: 145; 
	height: 22;
	border-bottom: 1px solid #0099ff;
	border-left:1px solid #3c75f4;
	border-right:1px solid #3c75f4;	
}

.khung01 {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #fc3131;
	font-style: normal;
	font-weight: bold;		
	}
	
	.khung02 {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 10px;
	color: green;
	font-style: normal;
	font-weight: bold;		
	}
	
		
	.khung03 {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11 px;
	color: green;
	font-style: normal;
	font-weight: normal;
	text-decoration: none;
	background-image: url(images/bg.jpg);			
	}
	
A.link_bottom {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #ffffff;
	text-decoration: none;
	font-style: normal;
	font-weight: normal;
	/*padding-left: 10px ; */	
}

A.link_bottom:hover {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #022288;
	text-decoration: none;
	font-style: normal;
	font-weight: normal;
	/*padding-left: 10px ; */	
}

A.link_top {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #ffffff;
	text-decoration: none;
	font-style: normal;
	font-weight: bold;		
}

A.link_top:hover {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #ffed23;
	text-decoration: none;
	font-style: normal;
	font-weight: bold;		
}

.right {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #ffffff;
	font-style: normal;
	text-decoration: none; 
	font-weight: bold;
	text-align: center;
	padding-top:3px;
	padding-bottom: 2px;
	background-color:#4e8bfc;
	
	}
	
	.left_1 {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #824200;
	font-style: normal;
	text-decoration: none; 
	font-weight: normal;
	text-align: justify;	
	}

.BODY {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #da2a02;
	text-decoration: none; 
	font-style: normal;
	font-weight: bold;
	background-color: #bcf585;
	text-align: center;
	height: 20px;
	padding-top: 4px;
	border-bottom: 2px solid #9edd61;
			
	}
	
	A.nav1{
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	font-style: normal;
	font-weight: normal;
	color: #1c36ad;
	text-decoration: none;
	padding-left: 8px;
	padding-top: 5px;		
}

A.nav1:hover{
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	font-style: normal;
	font-weight: normal;
	color: #fc3131;
	text-decoration: none;
	padding-left: 8px;
	padding-top: 5px;			
}

A.link_index {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: #333333;
	text-decoration: none;
	font-style: normal;
	font-weight: bold;		
}

A.link_index:hover {
	font-family: Tahoma, Verdana, Arial, Sans-Serif;
	font-size: 11px;
	color: Red;
	text-decoration: none;
	font-style: normal;
	font-weight: bold;		
}