column-break

<ul class=”separated”> <li> <strong>Title 1</strong> <ul><li>All</li></ul> </li> <li> <strong>Title 2</strong> <ul> <li>Sub-Title 2-1</li> </ul> </li> <li> <strong>Title 3</strong> <ul> <li>Sub-Title 3-1</li> </ul> </li></ul> ul.separated { -webkit-column-count: 2; -moz-column-count: 2; -ms-column-count: …