Hello
By default this option is not available with the Fedora template. To amend you can add the following to the Custom CSS field of your templates parameters (Extensions -> Templates -> [YourTemplateStyle] -> Custom CSS)....
.hornav .columns-2 + ul {
-moz-column-count: 2;
-moz-column-gap: 0;
-webkit-column-count: 2;
-webkit-column-gap: 0;
column-count: 2;
column-gap: 0;
width: 420px;
}
.hornav .columns-3 + ul {
-moz-column-count: 3;
-moz-column-gap: 0;
-webkit-column-count: 3;
-webkit-column-gap: 0;
column-count: 3;
column-gap: 0;
width: 630px;
}
.hornav .columns-4 + ul {
-moz-column-count: 4;
-moz-column-gap: 0;
-webkit-column-count: 4;
-webkit-column-gap: 0;
column-count: 4;
column-gap: 0;
width: 840px;
}
Ciaran