body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f2f5;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    background-image: url('https://images.unsplash.com/photo-1582407947304-fd86f028f716?q=80&w=2796&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
    background-size: cover;
    background-position: center;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.container {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 3em;
    color: #0056b3;
    margin-bottom: 0.5em;
}

.content h2 {
    font-size: 2em;
    color: #333;
    margin-bottom: 1em;
}

.content p {
    font-size: 1.2em;
    color: #666;
}

footer {
    margin-top: 2em;
    font-size: 0.9em;
    color: #999;
}