Do you write @media screen into your media query? This limits you more than it usually helps.
I find that when developing with it, that I usually need to apply some custom styles at the different screen/device sizes.
So I made a switch. I found Postleaf thanks to Codrops, and I must say, I am in love with it. Postleaf is an open source blogging platform with inline editing, handlebar templates, and a beautiful user interface.
Flexgrid: Dead Simple, Bootstrap Compatible Responsive 12 Column Grid System built with Flexbox