New to web and working on a project exhibiting media queries. Where do I begin?

I'm not asking anyone to hand me code. I just want to know what are specific things I need to learn to get to working with media queries. Example: float and what not

I really appreciate any help I can get. Thank you!

Epic visual tool

Epson 5030UB 2D/3D 1080p 3LCD Projector Submitted October 29, 2015 at 03:53AM by ZeGammaRay http://ift.tt/1XAnwAu