Andrea Fercia 112337ce75 Accessibility: Customizer, improve UI controls in customize.php
- makes the mobile preview/customize toggle a button
- changes the "Close" link hidden text from 'Cancel' to 'Close the Customizer and go back to the previous page'
- adds a missing `type="button"` attribute
- removes unnecessary `keydown` events and `preventDefault()`: buttons don't need a keydown event and when they have a `type="button"` attribute there's no default action to prevent

Props Cheffheid, afercia.

Fixes #31487.

git-svn-id: https://develop.svn.wordpress.org/trunk@37230 602fd350-edb4-49c9-b593-d223f7449a82
2016-04-17 15:40:50 +00:00
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243 MiB
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PHP 80.5%
CSS 9.4%
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SCSS 0.9%
HTML 0.7%