有选择地从现有站点复制HTML+CSS+JS的工具

Like most web developers, I occasionally like to look at the source of websites to see how their markup is built. Tools like Firebug and Chrome Developer Tools make it easy to inspect the code, but if I want to copy an isolated section and play around with it locally, it would be a pain to copy all the individual elements and their associated css. And probably just as much work to save the entire source and cut out the unrelated code.Like most web developers, I occasionally like t