Icons
All Morea sites automatically load the Font Awesome icon set. You can follow their How To to learn how to use icons.
Here is a simple example:
<i class="fa-solid fa-user"></i>
Learn about how to style icons with Styling with Font Awesome.
You can see an example Morea page containing a Font Awesome icon at: https://morea-framework.github.io/morea/morea/example-introduction/example-icon.html