.ccnps-wordsearch-table {
    border-collapse: collapse;
    width: auto;
    margin: 0 auto;
    border: 1px solid #016994;
}
.ccnps-wordsearch-cell {
    width: 2em;
    height: 2em;
    text-align: center;
}
.ccnps-wordsearch-cell.highlight {
    background: #e3f2fd;
}