firewall: restyle a little more
firewall: restyle a little more

Ideally we want to follow NAT as well, at least for the condensed layout.
For now move the padding to a class, we can't have two ids with the same
value.  Initial striping seems broken.  Let the browser render initially
for now.

opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core