SPAN#who-we-are
{
	display: block;
	width: 120px;
	height: 30px;
	background-image: url(../images/who-we-are.png);
	background-repeat: no-repeat;
	background-position: 0 0;
}
SPAN#who-we-are:hover
{  
	background-position: 0 -30px;
	cursor:pointer;
}
SPAN#what-we-do
{
	display: block;
	width: 120px;
	height: 30px;
	background-image: url(../images/what-we-do.png);
	background-repeat: no-repeat;
	background-position: 0 0;
}
SPAN#what-we-do:hover
{  
	background-position: 0 -30px;
	cursor:pointer;
}
SPAN#newsletters
{
	display: block;
	width: 120px;
	height: 30px;
	background-image: url(../images/newsletters.png);
	background-repeat: no-repeat;
	background-position: 0 0;
}
SPAN#newsletters:hover
{  
	background-position: 0 -30px;
	cursor:pointer;
}
SPAN#contact-us
{
	display: block;
	width: 120px;
	height: 30px;
	background-image: url(../images/contact-us.png);
	background-repeat: no-repeat;
	background-position: 0 0;	
}
SPAN#contact-us:hover
{  
	background-position: 0 -30px;
	cursor:pointer;
}