body {
    font-family: Arial, Helvetica, sans-serif;
    padding: 0;
    margin: 0;
}

table {
    border: 2px solid black;
    background-color: white;
    border-collapse: collapse;
    width: 100%;
}

table td, table th {
    border: 2px solid black;
    padding: 6px 10px;
    text-align: center;
}

table th {
    background-color: #f0f0f0;
}