Creating a New Layout
When none of the existing layout options meet your content display needs, you can create your own layout.
Creating your own custom layouts will help you tailor your site's look and feel to your specific content. You can create a unique page structure or add elements that you'd like to appear on every page the layouts is applied.
Start by opening an existing layout architect page.
Layouts are architect pages, so you'll want to be familiar with architect pages before you start creating new layouts.