zurb/foundation — comment on commit 8a3121016e4f6e40ce0952a64652e413a548d065
File:  line 0
By davidbanham:

Line 313 in presentation.css seems to have introduced a bug in Firefox. In Chrome it displays fine, however Firefox (Version 8, OSX) seems to truncate it to:

border-width: 1px 1px 0;

Which results in this:

http://imgur.com/CcItY

Unfortunately CSS is kind of a magic black box to me so I can't suggest a solution.