Used to create the Front End along with CSS and JavaScript.
Can be extended through Web Components
https://alexanderpetros.com/triptych/
https://youtu.be/tNBufpGQihY?si=YV2_aozhiLA6oGO5
https://youtu.be/HD13eq_Pmp8?si=j5DUNLvv5pCxliQ3