The Lumos Trigger and State system is an advanced way to manage CSS interactions without using custom code embeds or javascript. It allows you to fine-tune inheritance so that you can have elements animate based on the data attribute of a parent, giving you fine-tuned control over if you want the interaction to happen on hover, focus or more defined parameters.
To learn more start by watching this video:
https://www.youtube.com/watch?v=H6BdmNK0bME
Elements with the following attributes are made active when a condition is met.
If element is or contains a checkbox or radio that's checked
If element is or contains a link block pointed to the current page or anchor link pointed to the current section
If element is or contains an open menu button, open dropdown toggle, or open dropdown list
If element is or contains a child with an attribute of aria-expanded="true" including open dropdown toggles or custom accordions
If element is or contains a link that opens in a new tab