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.
First Column
Second Column
Third Column
Fourth Column
This column is to occupy the complete space of a row.
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.