[zoop]

This works for me with my first gen 15" Retina. This also happened to me at https://optin.stopwatching.us/, and I assumed it was exploiting some kind of bug with fullscreen for an intentional effect. I am using an external 20" older generation Apple display.

[sayhello]

It wasn't intentional. I'm not on the team working on stopwatching.us, but I had the issue and wanted to get to the bottom of this.

If you've got the bandwidth, could you please post your monitor model and/or snap a video?

[zoop]

Apple Cinema Display ‪23-inch DVI‬ (1920 x 1200) connected through a DVI/DP converter. It doesn't happen when I open the image in photoshop.