#acontainer
{
	margin: 0 auto 0px auto;
	width: 1100px;
	background-color: #fff; 
	padding: 0 0 7px 0;
	text-align:center;
}

.top_menu
{
	display: inline;
	list-style:none;
	font-family: tahoma,verdana, arial;
	font-size: 12px;
	color: black;
	font-weight:bold;	
	text-align:right;
}

#straining, #stutorials, #sprograming, #stesting, #sdata_management, #scertification, #scareer, #sskill 
{
	display: none;
	list-style:none;
	font-family: tahoma,verdana, arial;
	font-size: 12px;
	color: black;
	font-weight:normal;
	margin: 0;	
}

.top_menu a, #straining a, #stutorials a, #sprograming a, #stesting a, #sdata_management a, #scertification a, #scareer a, #sskill a
{
	list-style:none;
	font-family: tahoma,verdana, arial;
	font-size: 12px;
	color: black;
	font-weight:normal;
	text-decoration: none;
}

.top_menu li, #straining li, #stutorials li, #sprograming li, #stesting li, #sdata_management li, #scertification li, #scareer li, #sskill li
{
	float:left;
	margin: 7px;
	padding: 0;
	cursor: pointer;
}

#mcontainer
{
	clear:both; 
	margin: 0 auto 0 auto;
	width: 1100px;
	background-color: #CFEC86; 
	color: black;
	font-family: Tahoma, Verdana, Arial;
	font-size: 12px;
	font-weight: bold;
	height:30px;
	padding: 0;
}