Recent Firefox doesn't, but good old Opera 9 lets you select the text just fine....

Recent Firefox doesn't, but good old Opera 9 lets you select the text just fine. (On the other hand, no animation nor background, but maybe that's a reasonable tradeoff.)

Browser bug? Seems like it's debatable although the spec leans in the direction of generated content being selectable: https://stackoverflow.com/questions/24385171/is-it-possible-...