CSS column-rule is a short hand property, it is used to set styles to the space between the columns.
column-rule consists of following shorthand properties
- column-rule-width : It is used to set the rules(line) width which is between the columns.
- column-rule-style : It is used to set the style for the rules(line).
- column-rule-color : It is used to set color for the rules(line).
In the above example values used in column-rule property are,
5px - column-rule-width
dashed - column-rule-style
blue - column-rule-color