Bug: Legend margin horizontal and vertical flipped

[Christilut]

Codepen

https://codepen.io/Christilut/pen/oNgdLEd?editors=1010

Explanation

• What is the behavior you expect?

    legend: {
      itemMargin: {
        vertical: 20
      }
    },

Is controlling horizontal margin and vice versa.

[junedchhipa]

Yes, it was wrong. Fixed it.
Thanks