Are you a web designer and planning to start or create responsive web design ? If yes, then i would like to refer you a Gumby Framework. This css framework as following features
1) Fluid-Fixed layout self-optimizes for desktop and mobile resolutions.
2) Gumby Framework defaults to a 960 footprint. Designers and coders rejoice
3) Engineered to be there when you need it, and get out of your way when you don’t.
4) Gumby Framework includes multiple types of grids with different column variations which enables you to be flexible throughout an entire project’s lifecycle. From concept to deployment, Gumby Framework follows your lead.
Gumby Framework includes several types of networks with different variations of that column to be flexible throughout the entire life cycle of a project. From concept to implementation, Gumby Marco follows suit.
For more detail you can visit http://gumbyframework.com/
Version : Gumby 2