.comparison table, {
    border-color: #666;
    border-style: solid;
}

.comparison th {
    border-width: 1px;
    border-color: #666;
    border-style: solid;
}

.comparison table {
    border-width: 1px;
    border-spacing: 0;
    border-collapse: collapse;
}


.insert {
    background-color: #9f9;
}

.delete {
    background-color: #f99;
}