That was my thought. "Beautifully simple click-to-copy CSS effects " is a terribly misleading title for this. These are hover effects that you can click-to-copy

That was my thought. "Beautifully simple click-to-copy CSS effects " is a terribly misleading title for this. These are hover effects that you can click-to-copy the css-source (if you can find it. Note: click outside of the button in the almost zero contrasted background area).