body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 8px;
    text-align: left;
    border: 1px solid #ddd;
}
th {
    background-color: #f4f4f4;
    cursor: pointer;
}
#pagination {
    margin-top: 20px;
}
#pagination button {
    margin: 0 5px;
}