add margin: 0px to "#titlediv #title" in wp_admin.css

[alexvorn2]

Firefox adds some margin to the input, as system css settings...
adding margin: 0 to the title input element makes the title text to be more correctly positioned in the center.

​http://wpimpact.com/wp-content/uploads/2013/02/Untitled-6.png

fixed:

​http://wpimpact.com/wp-content/uploads/2013/02/Untitled-8.png

[Frank Klein]

This is no longer the case with the new dashboard design coming in 3.8.

[SergeyBiryukov]

Related: [23976] (for #23189).