CSS Guidelines https://headbody.pl/wp-content/uploads/2014/08/css_guidelines.png 1252 424 Piotr Kędziora https://secure.gravatar.com/avatar/a2ce5e04a3890c374bdf29ed2fdb3370?s=96&d=mm&r=g
High-level advice and guidelines for writing sane, manageable, scalable CSS