#tblBoard {
  padding: 0;
  border-collapse: collapse;
  height: 256px;
  width: 256px;
}
#tblBoard td {
  height: 12%;
  width: 12%;
  border: 0px;
  padding: 0;
  text-align: center;
}
#tblBoard img {
  vertical-align: middle;
}

.even-cell {
  background-color: #dd3300;
}
.odd-cell {
  background-color: #ddcc00;
}