title: Mapbox Studio: can you change the style after the fact?
body: <p>Is it possible to change the base style of a custom style after the fact in Mapbox Studio? If yes, how? I looked around the UI and in the documentation but couldn't find how.</p>
  
  <p>Say I created a private style from the Vintage designer style (for example's sake), then added and customized layers by importing tilesets, can I switch to the another base style (e.g. North Star), or do I need to start a new custom style from the start?</p>