How can change font size of palette title?

Change font size of palette title

order:views order:latest order:likes

status:open status:closed status:archived status:noreplies status:single_user

category:foo tag:foo user:foo group:foo badge:foo

in:likes in:posted in:watching in:tracking in:private in:bookmarks in:first in:pinned in:unpinned

posts_count:num before:days_or_date after:days_or_date