body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
h2 {
    color: #333;
}
form {
    max-width: 400px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 10px;
    border: 1px solid #ddd;
}