The CSS column-rule-width property sets the width of the rule drawn between columns in multi-column layouts. Currently no browsers support this property (maybe Firefox 4.0 and IE9), but some browsers have their own vendor extensions (see below).
Values[]
| Value | Description |
|---|---|
<border-width> |
See the values of the border-width property. Negative values are not allowed.
|
CSS example:
body {
column-count:2;
column-rule-width:medium;
}