What are the benefits of using css framework

What are the benefits of using css framework

There are many frameworks which are responsive one which are fixed one which are fluid etc.

there given below some features of every framework

  1. Jaidee Framework  

this one is fluid and works in pixel as well as %
2. Yaml Css Framework
this is fluid as well as elastic and fixed and works in pixel as well as % ,em also.
3. Gumby Framework
it is fluid and works in in pixel as well as %.
4.foundation zurb 
it is fluid and works in in pixel as well as %.
5.Zass  Framework
it is fluid and works in % .
6. Skelton  Framework
it is responsive
7.Twitter bootstrap Framework
it is fixed and fluid and works in pixel and %.
8. Cascade Framework
it is hybrid and works in pixels and %.
9.Fluidable Framework
it is fluid .
10.1140 CSS  Grid
It is fluid and works in % and pixels and max with is 1140 px.
for mor  go to css