body {
    /* 0.9 = 90% white overlay, which makes the image 10% visible */
    background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)), 
                url('https://i.postimg.cc/908gykjY/Gemini-Generated-Image-phulcwphulcwphul.png');
    
    background-size: cover;
    background-attachment: fixed;
    background-repeat: no-repeat;
}