#demo table {
    border-collapse: collapse;
    padding: 0;
}

#bitmap td:not(.result) {
    padding: 0;
    background-color: white;
    cursor: pointer;
    width: 2em;
    height: 2em;
    border: 1px solid #737373;
}

#bitmap td.result {
    border: 1px solid white;
    vertical-align: middle;
    text-align: center;
    font-family: monospace;
}

.half {
    display: inline-block;
    width: 45%;
}

#charCanvas {
    width: 80px;
    height: 120px;
}