.ccnps-sudoku-display {
    border-collapse: collapse;
    margin-bottom: 1em;
    width: 315px;
    height: 315px;
    table-layout: fixed;
    margin: 0 auto;
}
.ccnps-sudoku-cell {
    border: 1px solid #c2e0f7;
    text-align: center;
    width: 35px;
    height: 35px;
    padding: 0;
    vertical-align: middle;
}
.ccnps-sudoku-border-right {
    border-right: 2px solid #016994;
}
.ccnps-sudoku-border-bottom {
    border-bottom: 2px solid #016994;
}
.ccnps-sudoku-clue {
    font-weight: bold;
    color: #016994;
}