I used to use that about 5-6 years ago, you have to be very delicate with it because it can look extremely cheap, but if you make it too subtle it's impossible

I used to use that about 5-6 years ago, you have to be very delicate with it because it can look extremely cheap, but if you make it too subtle it's impossible to see. What's worse is that if there's enough of a bottom boundary to the last visible bit of content in the viewport, it doesn't look like there's anything below it at all, which puts you in the same position.