Twenty Fifteen: make font-size/line-height in editor-style.css the same as in style.css. Remove margins from the editor body, interferes with autoresize in some browsers and is overriden in the default styles. See #29799
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git-svn-id: http://core.svn.wordpress.org/trunk@29663 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: no `rem` in editor-style.css for now, see #29799
Built from https://develop.svn.wordpress.org/trunk@29910


git-svn-id: http://core.svn.wordpress.org/trunk@29664 1a063a9b-81f0-0310-95a4-ce76da25c4cd