body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}

.container {
    text-align: center;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 400px;
}

h1 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
}

p {
    margin-bottom: 20px;
    color: #666;
}

form {
    display: flex;
    flex-direction: column;
}

input {
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

button {
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#result {
    margin-top: 20px;
}

.hidden {
    display: none;
}

a {
    color: #007bff;
    text-decoration: none;
    font-size: 16px;
}

a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 30px;
    font-size: 14px;
    color: #777;
    text-align: center;
    width: 100%;
}

footer p {
    margin: 0;
}