One tool I use a long time ago is CSS mutli-column generator by Jerome Debray. This tools helps me to make a correct CSS for create <li>
in sereral columns. Simple example:
- Column 1 - Row 1
- Column 1 - Row 2
- Column 2 - Row 1
- Column 2 - Row 2
CSS used:
-moz-column-count:2;
-webkit-column-count:2;
-o-column-count ...