Switch out hard-coded font size.

Signed-off-by: Ben Corlett <bencorlett@me.com>
Simplify the magento.less file, we don't need the commented-out junk.

Signed-off-by: Ben Corlett <bencorlett@me.com>
Remove hard-coded line height.

Signed-off-by: Ben Corlett <bencorlett@me.com>