enquire.js : A lightweight, pure JavaScript library for responding to CSS media queries.
emotion : emotion is a high performance, lightweight css-in-js library that supports both string and object based styles.
Anime.js : Anime.js is a fast, multipurpose and lightweight JavaScript animation library with a simple, yet powerful API.
It works with CSS properties, SVG, DOM ...
css3-mediaqueries-js : make CSS3 Media Queries work in all browsers (JavaScript library)
lit : a ridiculously small responsive css framework
Skeleton: A Dead Simple, Responsive CSS Boilerplate for Mobile-Friendly Development
