body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=2000&q=8') no-repeat center center fixed;
    background-size: cover;
    color: white;
}

.container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-color: rgba(0, 0, 50, 0.5);
}

.message-box {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.message-box h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #ade8f4;
}

.message-box p {
    font-size: 1.3rem;
    line-height: 1.6;
    color: #e0f7fa;
}