.parallax-bg{background-image:url(https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&q=80&w=2000);background-attachment:fixed;background-position:center;background-repeat:no-repeat;background-size:cover;position:relative}.parallax-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#000000b3;z-index:0}.parallax-content{position:relative;z-index:10}