body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    margin: 0;
    padding: 0;
    text-align: center;
}

header {
    background: #fff;
    padding: 20px;
    border-bottom: 1px solid #ddd;
}

main {
    padding: 40px;
}

form {
    display: inline-block;
    text-align: left;
    margin-top: 20px;
}

input[type="email"],
input[type="file"] {
    display: block;
    margin: 10px 0;
    padding: 8px;
    width: 300px;
}

button {
    padding: 10px 20px;
    background: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.error {
    color: red;
    margin-top: 10px;
}