Robb Owen:

Why let JS have all the fun? With mix-blend-mode finally gaining wide browser-support, we now have access to many of most common shading techniques in CSS. With some choice images and a bit of careful layering it’s possible to build some surprisingly high-quality effects without the need for introducing any JS dependencies.

If you’ve ever used Photoshop’s Blend Modes… you can basically do that in CSS now. So cool! Check out Robb’s entire article. He includes a lot of great examples.