Each child of
Columns represents a single column. By default that column will
span 1 fraction of the total number of children.
The spacing between children can be adjusted using the
Items of varying height can be vertically aligned using the
Provide a breakpoint where the columns should collapse and stack on top of one another.
Resize your browser window to see the columns collapse:
Define the relative width of each column. You can create a more traditional grid-style column layout, à la Bootstrap: