A CSS crib sheet.
A CSS crib sheet.—"CSS Best Practice is a one sentence action statement, a 'thou shalt' or 'thou shalt not' (paraphrased, of course) that highlights a specific issue, be it browser compatibility, code integrity, or whatever else can actually be considered factual (instead of opinion)." Wow, there’s a great list here already. As I was reading through the comments, I thought of things that should be added, but by the time I got to the end, all my ideas were already written up