ISSUE-277: Add a "responsive pixel" unit

Add a "responsive pixel" unit

Raised by:
Tab Atkins Jr.
Opened on:

rem is useful for designs that respond to the user's default font size, but it's too big to be convenient to use for many purposes. Perhaps add a unit that's 1/16th of a rem? (Or some other fraction - 1/60th for a responsive twip?)
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Related emails:
  1. CSS-ISSUE-277: Add a 'responsive pixel' unit (from on 2012-08-31)

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Alan Stearns <>, Rossen Atanassov <>, Chairs, Chris Lilley <>, Thierry Michel <>, Fuqiao Xue <>, Staff Contacts
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