fix css syntax in 2nd variable example
fix css syntax in 2nd variable example

yetone/stylus,tyv/stylus,trixter5/stylus,PeterWangPo/stylus,angryrobot/stylus,ThiagoGarciaAlves/stylus,jangarcia/stylus,jonpacker/stylus,meteor/stylus,Delapouite/stylus,behzad88/stylus,HossainKhademian/Stylus,baotingfang/stylus,modulexcite/stylus,Zagorakiss/stylus,Ricardh522/stylus,cemoulto/stylus,galenvagen/stylus,jameswomack/stylus,silvaemota/stylus,a-x-/stylus,stylus/stylus,SimenB/stylus,johnnycopperstone/stylus,peterkinalex/stylus-1