Have a drop down select box with a number of options ... what you are looking for cross-browser / platform in pure CSS. I personally usually only style inputs, textareas & buttons in forms ...

He wondered about building Tetris, a Turing Machine, or rendering fractals purely in CSS and HTML. The jury is still out if a Turing machine is possible, but he did manage to generate some simple ...

jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code right inside your browser. A quick tour ...