Ecco qua il CSS che hanno usato:

INPUT {
color: #000000;
background-image: url(r_shader.gif);
BACKGROUND-COLOR: #81BCA6;
COLOR: #ffffff;
FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif;
FONT-SIZE: 9px;
font-weight: bold;
background-attachment: fixed;
background-repeat: no-repeat;
border: 1 solid #000000;
height: 20px;
padding-top: 3px;
padding-left: 2px;

}