If your browser has night mode, or a night mode extension, enable it.

If not, then: press "v", right-click, "View Image".

Happy Haunting ;D

For the lazy: https://imgur.com/a/6ODsf.

For those who want to test transparency on other images, put this in a bookmark and click it with an image open.

javascript:document.getElementById("image").style.backgroundColor="red";void(0)