body {
    font-family: sans-serif;
}

table,
th,
td {
    border-collapse: collapse;
    border: 1px solid #ccc;
}

th,
td {
    padding: 0.25em 0.5em;
}

tbody tr:first-child th,
tbody tr:first-child td {
    border-top-width: 2px;
}

th.number,
td.number {
    text-align: right;
}