body{
 background-image: url(http://www.drmsite.com/pictures/gif/14.gif);
}
table{
 text-align: center;
 width: 100%;
 border: 1px solid #000000;
}
td {
 border: 1px solid #000000;
 width: 25%;
 font-family: monospace;
 font-size: larger;
 text-align: center;
 font-weight: bold;
 vertical-align: middle;
 table-layout: fixed;
 color: #000000;
 background-color: #FFFF00;
}
td.cellButton{
 cursor: pointer;
}
td.cellButton2{
 background-color: transparent;
 color: #ffff00;
 cursor: pointer;
}
td.blank{
 vertical-align: middle;
 width: 25%;
 font-weight: bold;
 text-align: center;
 font-family: Monospace;
 background-color: rgb(255, 255, 0);
}
a {
 color: #000000;
 text-decoration:none;
}
a:hover{
 color: #ffff00;
}