Is there a way to render layout pages on content pages in Wappler?

I usually don’t bother with layout pages, but I figured I might try and use it in my next project, but I’m using a lot custom paths and CSS which is all in the layout page, so my content pages look like this:

image1643×765 136 KB

It works fine when opening up in a browser, I just need to get the layout page to actually render in Wappler’s preview windows. Possible?