#checkout-bar .checkout-btn{
background:url(../images/checkout_btn.jpg) 0 1px no-repeat;
width: 94px;
height: 35px;
margin-left:239px;
margin-top: 1px;
display:block;
}

#checkout-bar .checkout-btn:hover{
background:url(../images/checkout_btn.jpg) -94px 1px no-repeat;
}

img {
margin: 0px;
}