#botton1 {
	display:block;
	width:220px;
	height:150px;
	background:url(../Images/whatwedo.png);
}
#botton1:hover {
	display:block;
	width:220px;
	height:150px;
	background:url(../Images/whatwedo.png) 220px;
}

#botton2 {
	display:block;
	width:220px;
	height:150px;
	background:url(../Images/whereweveworked.png);
}
#botton2:hover {
	display:block;
	width:220px;
	height:150px;
	background:url(../Images/whereweveworked.png) 220px;
}
#botton3 {
	display:block;
	width:220px;
	height:150px;
	background:url(../Images/aboutus.png);
}
#botton3:hover {
	display:block;
	width:220px;
	height:150px;
	background:url(../Images/aboutus.png) 220px;
}