Programming isn’t an easy stuff usually and people is often scared by even the thought of dealing with some HTML code. Actually, once you get a few basic principles, HTML and CSS turn out to be really easy to understand, create and modify. Moreover, you just need a text editor (like TextEdit on the Mac or Notepad for Windows) to work with them, nothing else.
I wrote a new micro-tutorial about Safari inspector and its use to know more about your webpages’ style. I’m not satisfied with it (it could be clearer), consider it as a draft. Anyway, it’s here.