The button HTML element is associated with forms, like a contact form, for example. The PRG Pattern for conserving PageRank works in a similar way to a contact form button.

CSS works in combination with HTML. We can create buttons, links, and other elements using HTML and then using CSS we can change those elements’ size, color, position, etc.

I'm cooking up a simple little calculator and I'd like to have the buttons animate when the corresponding keys on a physical keyboard numpad are depressed and released. I'm sure I could do it with ...