Neat
A lightweight and flexible Sass grid
...If you need multiple grids in a single project, you can do this by defining a new map stored within a variable of your choosing. This variable can then be passed directly into any of Neat's mixins. Custom grids are especially useful with grid-media. By defining a media attribute within your custom grid, you are able to easily define gutter width and total column count as well as the breakpoint at which they should activate. Creates collapsed grid object that consumes the gutters of its container, for use in nested layouts.