Check out a free preview of the full Front-End Tooling and Workflows with Grunt and Beyond course:
The "LESS Mixins" Lesson is part of the full, Front-End Tooling and Workflows with Grunt and Beyond course featured in this preview video. Here's what you'd learn in this lesson:

Using a few LESS mixins, Dave demonstrates how to base-64 encode images and the pros and cons of it. He also show a few other mixins that helped his workflow when building the game.

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