TinyMCE has various different settings to really customize its features. One of these very useful settings is the ability to provide your own custom CSS classes for the editor itself. That way if you have, for example, modified the style of heading1, then you can provide that CSS to tinyMCE; that way, when you are editing, you truly get the full power of the "WYSIWYG" as the heading1 will look the same in the editor as it will when the HTML is generated.

Alright, so if you've ended up here, you probably saw a billion links on google mentioning how to configure tinymce but they all end up mentioning drupal or some other implementation and you just want a quick and functional answer. Well, my friend, you've come to the right place! Let's take a look at how we can very quickly and easily configure multiple instances of tinymce or have some textareas remain plain and others use tinymce.