Fix Malformed Css in Greek Yogurt
Fix Malformed Css in Greek Yogurt

Fix malform css in Greek Yogurt typography.css

- Missing `;` and `sans-serif` to `serif`


Former-commit-id: 5936c8dc1845acd83277948c8617ef62c877b441
olsgreen/concrete5,haeflimi/concrete5,mlocati/concrete5,jaromirdalecky/concrete5,MrKarlDilkington/concrete5,hissy/concrete5,MrKarlDilkington/concrete5,deek87/concrete5,acliss19xx/concrete5,olsgreen/concrete5,mainio/concrete5,triplei/concrete5-8,triplei/concrete5-8,mlocati/concrete5,MrKarlDilkington/concrete5,hissy/concrete5,concrete5/concrete5,acliss19xx/concrete5,a3020/concrete5,hissy/concrete5,mlocati/concrete5,rikzuiderlicht/concrete5,deek87/concrete5,olsgreen/concrete5,concrete5/concrete5,deek87/concrete5,mainio/concrete5,biplobice/concrete5,rikzuiderlicht/concrete5,jaromirdalecky/concrete5,KorvinSzanto/concrete5,triplei/concrete5-8,jaromirdalecky/concrete5,acliss19xx/concrete5,KorvinSzanto/concrete5,biplobice/concrete5,mainio/concrete5,concrete5/concrete5,biplobice/concrete5,hissy/concrete5,concrete5/concrete5,KorvinSzanto/concrete5,haeflimi/concrete5,biplobice/concrete5,haeflimi/concrete5,a3020/concrete5,haeflimi/concrete5,jaromirdalecky/concrete5,deek87/concrete5,mlocati/concrete5,rikzuiderlicht/concrete5