table,
td {
    border: 1px solid #333;
}

thead,
tfoot {
    background-color: #333;
    color: #fff;
}

#table2 {
    margin-top: 15px;
}

#table3 {
    margin-top: 15px;
}

#table3-txt {
    border-style: inset;
    border-width: 10px;
    border-color: black;
}