body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 20px;
}
form {
    max-width: 600px;
    margin: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
table, th, td {
    border: 1px solid #ddd;
    padding: 8px;
}
th {
    background-color: #f4f4f4;
}
button {
    padding: 8px 16px;
    background-color: #28a745;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #218838;
}
