The column-rule-color CSS property sets the color of the line drawn between columns in a multi-column layout.
Syntax
/* <color> values */ column-rule-color: red; column-rule-color: rgb(192 56 78); column-rule-color: transparent; column-rule-color: hsl(0 100% 50% / 0.6); /* Global values */ column-rule-color: inherit; column-rule-color: initial; column-rule-color: revert; column-rule-color: revert-layer; column-rule-color: unset;
The column-rule-color property is specified as a single <color> value.
Values
<color>- 
    
The color of the rule that separates columns.
 
Formal definition
| Initial value | currentcolor | 
|---|---|
| Applies to | multicol containers | 
| Inherited | no | 
| Computed value | computed color | 
| Animation type | by computed value type | 
Formal syntax
<color>
Examples
Setting a blue column rule
HTML
<p> This is a bunch of text split into three columns. The `column-rule-color` property is used to change the color of the line that is drawn between columns. Don't you think that's wonderful? </p>
CSS
p {
  column-count: 3;
  column-rule-style: solid;
  column-rule-color: blue;
}
See also
- The 
<color>data type - Other color-related properties: 
color,background-color,border-color,outline-color,text-decoration-color,text-emphasis-color,text-shadow, andcaret-color - Applying color to HTML elements using CSS