body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
}

h2 {
    color: #333;
}

form {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

input[type="text"], input[type="email"], input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
}

input[type="submit"] {
    background: #333;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background: #555;
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    form {
        padding: 10px;
    }
}