Standard input field
File upload field - Ignores border style/width, padding, font weight/etc, button is not styled, some kind of bug with the background when width is changed (Note the white to the right, inside the blue outline)
Possible, "correct" look (Ignoring the fact that its total width should be just as wide as the above controls)
Or...
Here is what I see (With the file fields set to "C:\foo.bar", obviously), in case you see something different: