column-fill
The column-fill CSS property controls how contents are partitioned into columns. Contents are either balanced, which means that contents in all columns will have the same height or, when using auto, just take up the room the content needs.
Syntax
Values
auto- 
    
Is a keyword indicating that columns are filled sequentially.
 balance- 
    
Is a keyword indicating that content is equally divided between columns.
 
Examples
css
.content-box {
  column-count: 4;
  column-rule: 1px solid black;
  column-fill: balance;
  height: 200px;
}
Specifications
| Specification | 
|---|
| CSS Multi-column Layout Module Level 1  # cf  | 
Browser compatibility
BCD tables only load in the browser