Fix a CSS typo from [29625]. see #28946.

Built from https://develop.svn.wordpress.org/trunk@29626


git-svn-id: http://core.svn.wordpress.org/trunk@29400 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Give pagination controls some breathing room on smaller screens.

props stephdau.
fixes #29369.

Built from https://develop.svn.wordpress.org/trunk@29627


git-svn-id: http://core.svn.wordpress.org/trunk@29401 1a063a9b-81f0-0310-95a4-ce76da25c4cd