.left
{
	
	/*background-image:url(../Images/left.jpg);*/
	color:Green;
	width:13%;
	float:left;
	height:auto;
	padding:0px 0px 0px 0px;

}
.center
{
	
	/*background-image:url(../Images/center.jpg);*/
	color:Olive;
	width:73%;
	float:left;
	height:auto;
	padding:0px 0px 0px 0px;

}
.right
{
	
	/*background-image:url(../Images/right.jpg);*/
	color:Green;
	width:25%;
	float:right;
	height:auto;
	padding:0px 0px 0px 0px;
	
	
}
.footer
{
	
	background-image:url(../Images/footer.jpg);
		
	
}
.bt_menu
{
	background-image:url(../Images/bt_menu.jpg);
	color:white;
	height:20px;
	width:120px;
	float:left;
	padding:5px 0px 0px 30px;
	font-size:small;
	font-style:italic;
	
	
}
.sub_bt_menu
{
	background-image:url(../Images/sub_bt_menu.gif);
	color:blue;
	height:18px;
	width:142px;
	float:left;
	padding:5px 0px 0px 8px;
	font-size:small;
	font-style:italic;
			
	
}
.khaosat
{
	background-image:url(../Images/sub_bt_menu.gif);
	height:180px;
	width:143px;
	float:left;
	padding:0px 0px 0px 0px;
	font-size:small;
	font-style:italic;
			
	
}
.lienketweb
{
	padding:3px 0px 0px 0px;
	float:left;
}
.bt_thanhvien
{
	float:left;
	background-image:url(../Images/bt_thanhvien.jpg);
	color:black;
	height:20px;
	width:173px;
	padding:10px 0px 0px 25px;
	font-size:smaller;
}
.bg_thanhvien
{
	float:left;
	background-image:url(../Images/bg_thanhvien.jpg);
	height:197px;
	width:177px;
	padding:8px 0px 0px 20px;
	
}
.bt_khaosat
{
	float:left;
	background-image:url(../Images/bt_khaosat.jpg);
	color:white;
	height:20px;
	width:173px;
	padding:10px 0px 0px 25px;
	font-size:smaller;
}
.bg_khaosat
{
	float:left;
	background-image:url(../Images/khaosat.jpg);
	height:auto;
	width:193px;
	padding:5px 0px 0px 5px;
	color:Purple;
	
}