body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f4f4f4;
}
h1, h2 {
    color: #333;
}
form {
    background: #fff;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}
button {
    padding: 10px;
    background-color: #0077cc;
    color: white;
    border: none;
    border-radius: 5px;
}
table {
    background: #fff;
    border-collapse: collapse;
    width: 100%;
}
th, td {
    border: 1px solid #ccc;
    padding: 8px;
}