[#53] removes second import of heading.css
[#53] removes second import of heading.css

eric-seekas/oocss,rishatsharafiev/oocss,conymaniac/oocss,laurenbenichou/oocss,danielone/oocss,eaglesjava/oocss,laurenbenichou/oocss,rishatsharafiev/oocss,Cartman0/oocss,tienhuynh/oocss,egoholic/oocss,danielone/oocss,danielone/oocss,stubbornella/oocss,laurenbenichou/oocss,egoholic/oocss,Cartman0/oocss,egoholic/oocss,eric-seekas/oocss,eaglesjava/oocss,tienhuynh/oocss,tienhuynh/oocss,laurenbenichou/oocss,Cartman0/oocss,stubbornella/oocss,conymaniac/oocss,conymaniac/oocss,egoholic/oocss,rishatsharafiev/oocss,tannerhodges/oocss,eric-seekas/oocss,eric-seekas/oocss,eaglesjava/oocss,stubbornella/oocss