Press This fixes:

* Override responsive styles for the Press This window
* Remove the old header logo in Press This
* Add the new Dashicon WP logo

See #25858.


Built from https://develop.svn.wordpress.org/trunk@26433


git-svn-id: http://core.svn.wordpress.org/trunk@26331 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Style the hr element in the admin. Fixes #23856.
Built from https://develop.svn.wordpress.org/trunk@26434


git-svn-id: http://core.svn.wordpress.org/trunk@26332 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Design fixes to the color picker:

* Apply top: 0 to .wp-color-result (open and closed).
* Reduce text size in hex-value field.
* Move hex-value-field styles to color-picker.css.

Fixes #26289, props mattheu.


Built from https://develop.svn.wordpress.org/trunk@26435


git-svn-id: http://core.svn.wordpress.org/trunk@26333 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Give th.th-full font-weight: 400 so its label doesn't get emboldened. Fixes #26272.
Built from https://develop.svn.wordpress.org/trunk@26436


git-svn-id: http://core.svn.wordpress.org/trunk@26334 1a063a9b-81f0-0310-95a4-ce76da25c4cd