This is a single-column layout

I need to use a container that spans all 12 columns in the grid for a single-column layout.

This is a two-column layout

I need to use two containers that span 6 columns in the grid for a two-column layout.

I need to use two containers that span 6 columns in the grid for a two-column layout.

I need to use three containers that span 4 columns in the grid for a three-column layout.

I need to use three containers that span 4 columns in the grid for a three-column layout.

I need to use three containers that span 4 columns in the grid for a three-column layout.