I am using Bootstrap 4 Beta trying to make 2 columns full height no matter what the screen size is. Bootstrap 4 flexbox content 100% height. ... .row { height: auto; display: ... Twitter bootstrap 3 two columns full height. Here's how to match the height of all elements on the page: $ ... Make the row think it's a table. Bootstrap doesn't provide this out of the box, ... should be 100% -->