The perspective-origin CSS property determines the position the viewer is looking at. It is used as the vanishing point by the perspective property.

[Webplatform](docs.webplatform.org/wiki/css/properties/perspective-origin "Webplatform")
[Mozilla docs](https://developer.mozilla.org/en-US/docs/Web/CSS/perspective-origin "Mozilla")
[Caniuse](http://caniuse.com/#feat=transforms3d "Caniuse")