NMS Prime uses bootstrap with the color admin template for building its GUI.

Basics

Laravel does not care about the used gui framework
so you could use every css/gui framework – like bootstrap

Bootstrap Framework

http://getbootstrap.com/

Bootstrap: Topic – Color Admin

We use color admin framework– with a special license agreement – see README.md

https://wrapbootstrap.com/theme/color-admin-admin-template-front-end-WB0N89JMK

Location: "public/components/assets-admin"