gabrielhurley/openstack-dashboard — comment on commit efdb1d7d029656ca0e76a1ac8f7d664309d2c74a
File: openstack-dashboard/dashboard/static/dashboard/css/style.css line 138
By gabrielhurley:

No, the problem is that overriding specific properties (like background-color) of a general background declaration can occasionally have unintended consequences. This is a case of explicit > implicit for the sake of broader "this won't ever break" protection.