A multisystem grid framework, where based on some varaibles, like media queries, can switch from fluid to fixed layouts, so you can get the best of both worlds. That's because Poliedros's core mixins are based on [semantic.gs] because of its semantic approach, but Poliedro also has the powerful techniques of [Foundation]'grid system.
With Poliedro you can use one or all of the folloeing layouts in the same file
- Fixed Columns
- Fluid Columns
- Fixed Grid
- Fluid Grid