body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
}
.form-container {
    width: 100%;
    max-width: 400px;
    margin: 60px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
form label {
    display: block;
    margin: 10px 0 5px;
}
form input[type="text"],
form input[type="password"],
form input[type="email"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    box-sizing: border-box;
}
button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 15px;
    border: none;
    width: 100%;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #45a049;
}
.message {
    margin: 10px 0;
    color: red;
}