Template:Ahnentafel/styles.css

table.ahnentafel {
    border-collapse: separate;
    border-spacing: 0;
    line-height: 130%;
}

.ahnentafel tr {
    text-align: center;
}

.ahnentafel-t {
    border-top: 1px solid black;
    border-left: 1px solid black;
}

.ahnentafel-b {
    border-bottom: 1px solid black;
    border-left: 1px solid black;
}