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