Even if you’re an expert web designer, there are plenty of obscure CSS properties you’re unlikely ever to use. In fact, with ...

Up until now, I had been designing those optional form elements wrapped in divs with 'display:none;' in the style ... example on one of my forms of some HTML that would be hidden.

HTML, and CSS code right inside your browser. A quick tour of jsFiddle will give you a better understanding of what it provides and why you should use it. The jsFiddle environment Getting up and ...