.buttonStyle {
    background: url("images/btn_bg.gif");
    border: 1px solid #ccc;
    color: #fff;
    cursor: pointer;
    height: 26px;
    line-height: 26px;
    width: 82px;
}
.buttonStyle:hover {
    background: url("images/btn_bg3.gif");
    color: #fff;
}
.buttonStyle:active {
    background:url("images/btn_bg2.gif");
}