Media Queries Level 4
At the time of writing, while CSS Media Queries Level 4 enjoy a draft specification (http://dev.w3.org/csswg/mediaqueries-4/), the features in the draft don't enjoy many browser implementations. This means that while we will take a brief look at the highlights of this specification, it's highly volatile. Ensure you check browser support and double-check for syntax changes before using any of these features.
For now, while there are other features in the level 4 specification, we will concern ourselves only with scripting, pointer and hover, and luminosity.
Scripting media feature
It's a common practice to set a class on the HTML tag to indicate that no JavaScript is present by default and then replace that class with a different ...
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