[Checkins] [zopefoundation/Zope] cf9146: added media rule for small screens

[drfho]

  Branch: refs/heads/issue_537
  Home:   https://github.com/zopefoundation/Zope
  Commit: cf9146ca72062663976c0e7bcdc9c0beb21f831b
      https://github.com/zopefoundation/Zope/commit/cf9146ca72062663976c0e7bcdc9c0beb21f831b
  Author: Dr. Frank Hoffmann <Dr. Frank Hoffmann at 172.17.237.179>
  Date:   2019-04-08 (Mon, 08 Apr 2019)

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

  Log Message:
  -----------
  added media rule for small screens