And if I click on it...
Looks like a CSS sprite issue...
I'm thinking that the image was recently changed, by looking at the name, https://email@example.com
Chrome Version 33.0.1750.154 m. Firefox is fine though, with all zoom levels.
Steps to reproduce:
Either browse the site on a device with Retina display, or using Chrome follow those steps:
- Change zoom level to 150% or more.
- Reload the page.