How to swap the markdown and preview pane?

[Daeraxa]

I don't know if this is what you might have found already but there is a great post that summarises the basics of the css styling stuff:

Introduction to customising Joplin (userchrome.css & userstyle.css)

Joplin has several internal stylesheets that control what Joplin looks like to the user. However two have been provided that allow the user to customise the app. Joplin uses its built-in styles but these two files can be used to override those styles. These files are just like the Cascading Style Sheets (CSS) used when creating web-sites. The files are called userchrome.css and userstyle.css. userchrome.css allows styling of the app itself, including the Markdown Editor, userstyle.css allows s…