body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: radial-gradient(circle at center, #000000 0%, #000000 3%, #ffffff 3%, #ffffff 9%, #000000 9%, #000000 15%, #ff0000 15%, #ff0000 21%, #00ff00 21%, #00ff00 27%, #ffffff 27%, #ffffff 33%, #000000 33%, #000000 100%);
    background-size: cover;
}

.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2em;
    margin: 20px 0;
    color: #333333;
}

p {
    font-size: 1.2em;
    color: #666666;
}

.contact-info {
    margin-top: 20px;
}

.contact-info a {
    color: #1e90ff;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}