Bootstrap 4, how to make a col have a height of 100%?

Question

how can I make a column take up 100% height of the browser w bootstrap 4?

See the following: https://codepen.io/johnpickly/pen/dRqxjV

Note the yellow div, I

Answer 1

Use the Bootstrap 4 h-100 class for height:100%;

  

    

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      Form Goes Here
    
  

https://www.codeply.com/go/zxd6oN1yWp

You'll also need ensure any parent(s) are also 100% height (or have a defined height)...

html,body {
  height: 100%;
}

Note: 100% height is not the same as "remaining" height.

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Related: Bootstrap 4: How to make the row stretch remaining height?