button style setup

button.css

div a.button:active {
background-position:0 -48px;
}

div a.button:link, div a.button:visited {
background:url("/assets/images/application_button_signup.png") no-repeat scroll 0 0 transparent;
display:block;
height:24px;
text-indent:-99999em;
width:75px;
}

div a.button:hover, div a.button:active {
color:#CC0000;
}