body {
    font-family: "sans-serif";
    color: #000;
}

table {
    border-collapse: collapse;
    min-width: 100%;
}

th, td {
    padding: 8px;
    text-align: left;
    vertical-align: top;
}

th {
    border-bottom: 4px solid #000;
    border-top: 1px solid #000;
    border-left: 1px solid #000;
    border-right: 1px solid #000;
    background-color: #eee;
}

td {
    border-bottom: 1px solid #000;
    border-left: 1px solid #000;
    border-right: 1px solid #000;
}

tr:nth-child(2n) {
    background-color: #f5f5f5;
}