.mainNav {
  margin: 0px 0px 10px 0px;
  text-align: left;
	float: left;
}
.mainNav a {
	padding: 5px 0px 2px 20px;
	display: block;
	width: 130px;/*Actual width of button is 150px, combine width with padding-left 20px for text indent*/
	height: 23px;
  color: #000;
	font-size: 11px;
                font-weight: bold;	
	text-decoration: none;
	background: url(http://totalwindowcleaning.com/assets/css/imgs/btn_nav.png) no-repeat top left;
}

.mainNav a:hover {
	background: url(http://totalwindowcleaning.com/assets/css/imgs/btn_nav.png) no-repeat top right;
}