Griddie - Another CSS grid library. That's all.

Grid X

.c-8.c-sm-6.c-md-4.c-lg-2
.c-4
.c-9

Grid Y

.c-8.c-sm-6.c-md-4.c-lg-2
.c-4
.c-9

Grid XY

.c-8.c-sm-6.c-md-4.c-lg-2
.c-4
.c-8-x.c-sm-6-x.c-md-4-x.c-lg-2-x
.c-4-y.c-sm-6-y.c-md-8-y.c-lg-10-y
.c-4-y.c-sm-6-y.c-md-8-y.c-lg-10-y
.c-4-y.c-sm-6-y.c-md-8-y.c-lg-10-y
.c-4-y.c-sm-6-y.c-md-8-y.c-lg-10-y
.c-4-y.c-sm-6-y.c-md-8-y.c-lg-10-y

Offset cells in grid X

.c-3.o-2.o-sm-3.o-md-4.o-lg-5

Offset cells in grid Y

.c-3.o-2.o-sm-3.o-md-4.o-lg-5

Offset cells in grid XY

.c-3.o-2.o-sm-3.o-md-4.o-lg-5
.c-3 o-2-x o-sm-3-x o-md-4-x o-lg-5-x
.c-3 o-2-y o-sm-3-y o-md-4-y o-lg-5-y

Nested grids

.c-8
.c-4

Overlapping cells

.c-8.o-2-x.o-2-y
.c-4.o-2-x.o-2-y

.c-8.o-2-x.o-2-y
.c-4.o-2-x.o-2-y

.c-8.o-2-x.o-2-y
.c-4.o-2-x.o-2-y
.c-8.o-5
.c-4.o-5