Created attachment 188156 [details] Web page illustrating rendering error. If you look at the attached Web page you will see that, although the inner div is placed such that it's supposed to fill the outer div completely, because of the outer div's border the ensemble is rendered as if there was a gap along two of the edges of the outer div. If you unset the border on the outside div, it renders correctly. I have seen this problem with Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.69 Safari/537.17
Testing in Safari on Mac, I'm seeing different behavior in 6.0.2 and in current nightly. This might be fixed already. Can you please attach a screenshot with the issue, and also one for expected rendering?
Created attachment 188502 [details] Example of incorrect rendering
Created attachment 188503 [details] Incorrect rendering corrected by hand by modifying the screenshot using the Gimp
Created attachment 188504 [details] As rendered by Firefox 18.0.2
Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.70 Safari/537.17 Still has the issue.
This is a subpixel layout issue I'd say - I can only reproduce it with a zoom of 150% or so.
This issue is fixed in the latest version of Chrome (27.0.1453.93).