Making a Pure CSS Play/Pause Button

Globally, the media control icons are some of the most universally understood visual language in any kind of interface. A designer can simply assume that every user not only knows ▶️ = play, but that users will seek out the icon in order to watch any video or animation.
Reportedly introduced in the 1960s by Swedish engineer Philip Olsson the play arrow was first designed to indicate the direction where the tape would go when reading on reel-to-reel tape players. …

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