Bootstrap 4 comes with a complex grid system to optimally position elements in the different views. In the backend, the editor has different options for the grid elements depending on the view (smartphone, tablet, desktop, large screen).
By default Bootstrap has a 12 column system. However, this system can be adapted.

gridsystem.png
gridsystem_be.png

Demos

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Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-1

.col-md-8

.col-md-4

.col-md-4

.col-md-4

.col-md-4

.col-md-6

.col-md-6