A Complete Guide to Grid

CSS-Tricks has a thorough article about the power of CSS grids with most major browsers supporting the feature.

By: CSS-Tricks

Photograph by css-tricks.com

The New Code

This is Dudley Storey site, author of Pro CSS3 Animation, Smashing Magazine contributing editor site (formerly demosthenes.info), where he write about all aspects of web development.

By thenewcode.com

Skeleton

Skeleton is a simple, responsive boilerplate that’s super lightweight at roughly 400 lines. It’s quick to get started, with no installation or compiling necessary.
By Skeleton

Animate.css

A cross-browser library of CSS animations. As easy to use as an easy thing.

By: Animate.css