$(window).scroll(function(){
  $(".fade-out").css("opacity", 1 - $(window).scrollTop() / 800);
});

@@ -1,24 +1,60 @@
+//Fade Out Elements while scrolling%0A
 $(window).scroll(functio
@@ -123,13 +123,76 @@
  / 800);
+ //Decrese the value from '800' to fade-out fast and vice-versa
 %0A%7D);%0A

Update fadeOutElements.js