It only does that on dark view mode. It's so the image isn't so bright against the other dark elements. There is some thoughts on this here: https://css-tricks

It only does that on dark view mode. It's so the image isn't so bright against the other dark elements. There is some thoughts on this here: https://css-tricks.com/a-complete-guide-to-dark-mode-on-the-web/#design https://css-tricks.com/a-complete-guide-to-dark-mode-on-the-... It's a nice idea, but I'm not sure how universal accepted this "rule" is, as it does wash out the image quite a bit.