body {
    background-color: #1a1a1a;
    color: #00ff66;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.card {
    background-color: #262626;
    border: 2px solid #00ff66;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 255, 102, 0.2);
    text-align: center;
}

h1 {
    color: #33b5e5;
}