dist/az.css: Minor new cssnano syntax output
dist/az.css: Minor new cssnano syntax output

Funcationally same code as before, but with optimisations from
the new cssnano version, including:
- mergeLonghand, some number values, and some breaking up of smaller rules
into other larger rules where appropriate (which i don't like as much but it's ok

brianzelip/Azellaz.com,brianzelip/Azellaz.com,brianzelip/Azellaz.com