Created attachment 56340 [details]
Border-radius with 1px solid border comparison (Webkit nightly build r59633 / Firefox 3.6.3)
When using -webkit-border-radius with a solid border, depending on the colors you use, the border is not clean as mozilla with -moz-border-radius. Find my two attachments to see the problem.
Created attachment 56341 [details]
Code used for the browsers comparison
*** This bug has been marked as a duplicate of bug 21819 ***