In the previous chapter, we presented a grid example with classes for small and medium devices. We used two divs (columns) and we gave them a 25%/75% split on small devices, and a 50%/50% split on medium devices,In the previous chapter, we presented a grid example with classes for small and medium devices. We used two divs (columns) and we gave them a 25%/75% split on small devices, and a 50%/50% split on medium devices and a 33%/66% split on large devices.