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z-index epiphany

 It only recently occurred to me why a z-index is called a z-index. I've known about this CSS property for a little over a year now. And I'm completely embarrassed that I didn't realise this sooner. It refers to the z axis. As in x axis, y axis and z axis. When did I have this epiphany? In the shower. Proof that showers are good for more than just keeping yourself clean.



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