Draft:    http://www.w3.org/TR/2014/WD-css-masking-1-20140522/
Title:    CSS Masking Module Level 1

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Issue 1.
Summary:  Initial value of 'mask-size' should be 'auto', not 'border-box'
From:	  Sara Soueidan
Comment:  https://twitter.com/sarasoueidan/status/479912343736836097
Response: http://lists.w3.org/Archives/Public/www-style/2014Jun/0286.html
Closed:   Accepted
