xmlui: Normalize fonts in CIAT theme

11px is a bit too small, let's normalize 12px for all body text for
now.

Signed-off-by: Alan Orth <alan.orth@gmail.com>
xmlui: Adjust space for item list in CIAT theme

Signed-off-by: Alan Orth <alan.orth@gmail.com>
Merge branch '3_x-dev' into 3_x-prod