.call-to-action {
display:block;
text-indent:-9000px;
font-size:0.1em;
/*position:absolute;*/
}
#request1 {
background:url(http://bur-han.ca/images/request1.png) no-repeat;
width:340px;
height:74px;
}
#request2 {
background:url(http://bur-han.ca/images/request2.png) no-repeat;
width:309px;
height:81px;
}

#request3 {
background:url(http://bur-han.ca/images/request3.png) no-repeat;
width:278px;
height:68px;
}

#request4 {
background:url(http://bur-han.ca/images/request4.png) no-repeat;
width:309px;
height:104px;
}

#request1:hover {
background-position:0 -74px;
}
#request2:hover {
background-position:0 -81px;
}

#request3:hover {
background-position:0 -68px;
}

#request4:hover {
background-position:0 -104px;
}