What's up with the /s.gif though? It's just an empty 1x1 pixel, perhaps used to track (e.g. browsers vs scrapers)? Edit: Actually it's scaled to 5px height, so

What's up with the /s.gif though? It's just an empty 1x1 pixel, perhaps used to track (e.g. browsers vs scrapers)? Edit: Actually it's scaled to 5px height, so the black background is applied? Perhaps just a result of YCs CSS skills. It's Hacker News after all.