A forward-thinking, CSS micro-framework (2.5kB). Github Furtive is truly mobile-first and nearly all dimensions are done in rem . It also has a small footprint, cutting down on the bandwidth necessary for downloading CSS. Furtive is intended to be just that, furtive. It's the perfect starting point to get your project up and running. Furtive remains lightweight because it doesn't preoccupy itself with older browsers. As a result, Furtive can use cutting edge tech like flexbox , SVGs , and limited vendor prefixing. It's also available in SCSS, CSS, and comes with a gulpfile for customizing the build. $ npm install --save furtive $ bower install --save furtive $ git clone https://github.com/johnotander/furtive Furtive comes with a responsive grid system based on display: flex; . There are 7 available columns, ...