/* styles.css */
body {
    font-family: Arial, sans-serif;
    padding: 20px;
    max-width: 800px;
    margin: auto;
}

h1 {
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: center;
}

#error {
    color: red;
    margin-top: 20px;
}