div.menu_ngang_duoi
{
	clear:left;
	height:50px;
	width:990px;
	background: url('web.png') repeat-x;
	
}
div.menu_ngang_duoi a
{
	margin-right:10px;
	padding-right:30px;
	
	color:#FFFFFF;
	font-weight:bold;
}
div.menu_ngang_duoi a:hover
{
	text-decoration: underline;
	
}