Saw this when working on another issue:  https://codepen.io/monfera/pen/vXvVqb or the [codepen](https://codepen.io/anon/pen/dRwQGK?editors=1010) I found in https://github.com/plotly/plotly.js/issues/1874 when checking if mine might be a duplicate issue. cc @dfcreative