What FBT offers...
FluidBootstrapTheme comes with diffrent ContentElements for placing Grid-Containers on a page. You can choose between two grids, three grids and a four grid-container. You can see some combinations of the diffrent grids on this page.
Flexible 2-Grid Container
A Grid-Container with two grids. You can choose between diffrent sizes of the grids like 8-4 / 6-6 / 4-8
You can also define these as u like. No need to code. Simply choose your splittings in the Contentelement.
A Grid-Container with three grids. You can choose between diffrent sizes of the grids like 4-4-4 / 3-6-3 / 3-3-6
Or - if needed - you can choose the width of every grid and define wether it is visible on XS-devices.