These four columns should stack on small screens, should take up width: 50% on medium-sized screens, and should take up width: 25% on large screens.

This column is to occupy the two-fifth of the space of a row.

This column is to occupy the three-fifth of the space of a row.

Column 1: This column is to occupy the one-third of the space of a row on all devices.

Column 2: This column is to occupy the one-third of the space of a row on all devices.

Column 3: This column is to occupy the one-third of the space of a row on all devices.