body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: url('background.jpg') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: white;
    text-align: center;
}

.container {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
}