[Checkins] [zopefoundation/Zope] f1b3ba: fixed border bug of select element (chromium)

[drfho]

  Branch: refs/heads/zmi_chromium_cssbug
  Home:   https://github.com/zopefoundation/Zope
  Commit: f1b3bafb9bb5c7ab82682093211e281f5a5205b4
      https://github.com/zopefoundation/Zope/commit/f1b3bafb9bb5c7ab82682093211e281f5a5205b4
  Author: drfho <dr.frank.hoffmann at web.de>
  Date:   2019-11-21 (Thu, 21 Nov 2019)

  Changed paths:
    M src/zmi/styles/resources/zmi_base.css

  Log Message:
  -----------
  fixed border bug of select element (chromium)