TABLE.button {
    border: 0px;
    border-collapse: collapse;
}

TD.button_padding {
    padding: 0px;
}

TD.button_bg {
    padding: 0px;
    background-image: url(/images/btn/button_middle.gif);
}

INPUT.button_bg {
    background-image: url(/images/btn/button_middle.gif);
    border: 0px;
    background-repeat: repeat;
}