* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    overflow: hidden;
}

.background-container {
    width: 100vw;
    height: 100vh;
    background-image: url('background.jpg'); /* Replace with your image filename */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* Fallback for smaller screens */
@media (max-width: 768px) {
    .background-container {
        background-attachment: scroll;
    }
}