.clueSheet td {
    padding: 2px 2px 2px 2px;
}

.clueCheck {
    font-weight: bold;
    color: green;
}

.clueX {
    font-weight: bold;
    color: red;
}

.clueQuestion {
    font-weight: bold;
}

.isNotSolution {
    text-decoration: line-through;
    color: red;
}

.isSolution {
    font-weight: bold;
    color: green;
}