Adds `pixels` as unit, avoiding abbreviation for a clearer pronunciation by screen readers. Also, adds the word `by` instead of the special character `times`. Props Presskopp, stormrockwell. Fixes #38932. Built from https://develop.svn.wordpress.org/trunk@40573 git-svn-id: http://core.svn.wordpress.org/trunk@40443 1a063a9b-81f0-0310-95a4-ce76da25c4cd
wp.a11y.speak()