mystyle.css

.sd {
    table-layout: fixed;
    border: #443 3px solid;
    width: 355px;
    height: 355px;
    background-color: #fff;
    vertical-align: middle;
    border-collapse: collapse;
    text-align: center;
}
.big {
    FONT-SIZE: 25px;
    border: none;
    background-color: transparent;
    WIDTH: 30px;
    HEIGHT: 30px;
    LINE-HEIGHT: 28px;
    TEXT-ALIGN: center;
    margin: 0px;
    COLOR: #0000FF;
    FONT-FAMILY: Verdana;
}
td.xx {
    border-right: #999 1px solid;
    border-top: #999 1px solid;
    width: 30px;
    height: 30px;
    text-align: center;
    LINE-height: 30px;
}
td.rr {
    border-right: #443 2px solid;
    border-top: #999 1px solid;
    width: 30px;
    height: 30px;
    text-align: center;
    LINE-height: 30px;
}
td.top {
    border-right: #999 1px solid;
    border-top: #443 2px solid;
    width: 30px;
    height: 30px;
    text-align: center;
    LINE-height: 30px;
}
td.topr {
	border-right: #443 2px solid;
    border-top: #443 2px solid;
    width: 30px;
    height: 30px;
    text-align: center;
    LINE-height: 30px;
}