Bootstrap columns divide a row by 12. The given class defines how wide the column spans
The bootstrap container sets the width based on the width of the clients browser. It should be used as a bootstrap row wrapper. The normal container has a limited width so may be centered on some browsers. For a full width alternative use the fluid container.
A custom row where every in pin is a new column. This eliminates the need for column components connected to each in pin. The default class for every column is col and can be overwritten by filling the value in pin under each column
The bootstrap container sets the width based on the width of the clients browser. It should be used as a bootstrap row wrapper. The fluid container is a full width container.