How to do it 2.1. Since the issue is caused by the difference in height, you can make columns equal height across each row. I created another extension (which also is reactive) to the bootstrap row. How can I make three columns all the same height? Equal height columns have been a need of web designers forever. In order to increase or decrease the modal window height and width properties of Bootstrap, you need to get the modal related classes and use desired values either in the