In regard to (1), I've been finding recently that I'll look up a CSS property, and it lists the properties and has an example, but I find it's really crap for a

In regard to (1), I've been finding recently that I'll look up a CSS property, and it lists the properties and has an example, but I find it's really crap for actually learning anything because the example doesn't actually show you the output. And more than example with screenshots and explanations of each would be useful to actually learn how to use it... I've been deliberately avoiding it for ages now.