A-Frame Course - Source of /examples/0100-primitives-02-size.html

<!DOCTYPE html>
<html>
  <head>
    <title>Primitives - 02 - Size</title>
    <script src="https://aframe.io/releases/1.4.0/aframe.min.js"></script>
  </head>
  <body>
    <a-scene>
      <a-box
        position="0 2 -2"
        width="1"
        height="3"
        depth="1"
        rotation="0 0 0"
        color="red"
      ></a-box>

      <a-sky color="#ECECEC"></a-sky>
    </a-scene>
    <script>

    </script>
  </body>
</html>