table {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 24px;
    border-spacing: 0;
    border-bottom: 2px solid black;
    border-top: 2px solid black;
}
table th {
    padding: 3px 10px;
    background-color: white;
    border-top: none;
    border-left: none;
    border-right: none;
    border-bottom: 1px solid black;
}
table td {
    padding: 3px 10px;
    border-top: none;
    border-left: none;
    border-bottom: none;
    border-right: none;
}

table tr.odd {
    background-color: #f0f0f0;
}
table tr.even {
    background-color: #e0e0e0;
}
