This plugin you can hide any div behind a Quantum [Paper] Button or Qutton.
Quantum Paper is a digital paper that can change its size, shape and color to accomodate new content. Quantum paper is part of Google's Material Design.
SnackbarJS is a lightweight and jQuery powered plugin to create Material Design snackbars and toasts with ease. It made to work in Bootstrap style, just like the Bootstrap tooltips work.
Material Preloader is a jQuery plugin that recreates the Material Design preloader.