Sass
Sass mixin syntax:
@mixin column-count($nb-columns) {
-webkit-column-count: $nb-columns;
-moz-column-count: $nb-columns;
column-count: $nb-columns;
}
// Calling the mixin:
.two-columns { @include column-count(2); }
Result:
.two-columns {
-webkit-column-count: 2;
-moz-column-count: 2;
column-count: 2;
}