see [#2243](https://github.com/plotly/plotly.js/pull/2243#issuecomment-382812462) Using `automargin: true` moves axis label outside of tick labels, but only to the tick labels near the axis label, not below the longest tick label. e.g., 
see #2243
Using
automargin: truemoves axis label outside of tick labels, but only to the tick labels near the axis label, not below the longest tick label.e.g.,