body {
    font-family: 'Courier New', Courier, monospace;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    max-width: 500px;
    background-color: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

h1 {
    margin-bottom: 0.2rem;
}

.subtitle {
    color: #555;
    margin-bottom: 2rem;
}

.card {
    background-color: #e6f7ff;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.card h2 {
    margin: 0 0 0.5rem 0;
    color: #007acc;
}

.card p {
    margin: 0;
    font-style: italic;
    color: #333;
}

button {
    background-color: #007acc;
    color: #fff;
    border: none;
    padding: 0.7rem 1.2rem;
    margin: 0.3rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
}

button:hover {
    background-color: #005f99;
}

.footer {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: #777;
}