body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
}
h1 {
    color: #2c3e50;
}
form {
    background: #fff;
    padding: 20px;
    margin: 40px auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    max-width: 500px;
}
div {
    margin-bottom: 15px;
}
button {
    background: #3498db;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background: #2980b9;
}
a {
    color: #3498db;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}