a.back{
  margin: 20px 0 0 0;
  display: block;
}


a.pdf{
  width: 70px;
  display:block;
}


/* sprite button setup */
.button{
	border: 0;
	padding:0;
	margin: 0;
	display: block;
	overflow:hidden;
}

a.button {
	position:relative;
}

.button span {
cursor:pointer;
display:block;
left:0;
position:absolute;
top:0;
}

/* pdf sprite specifics */
.btn-pdf {
  margin-top: 40px;
  width:65px; 
  height:80px;
}

.btn-pdf span{
	width: 65px;
	height: 80px;
	background: #fff url(/images/pdf-sprite.gif) no-repeat top left;
}

.btn-pdf span:hover {
  background-position:0 -80px;
}