Implement a CSS framework

Implement a CSS framework to allow for faster development of UI interfaces and to allow for a consistent style and layout. Additionally, this should aid in helping keep the UIs functional for mobile. [Tailwind CSS](https://tailwindcss.com/) appears to be a good choice for this, however it would require a lot of work to migrate all of the user interfaces over to this, and the HTML templates will become a bit harder to read. I also see [Bulma](https://bulma.io/) or [Bootstrap](https://getbootstrap.com/) as potential options