How to use CSS to split a list of UL with multiple LI into three columns with the same height? Each LI has different heights. The number of LI blocks is always different.
<div class="div_list">
<ul class="list">
<li class="list_li">...</li>
<li class="list_li">...</li>
<li class="list_li">...</li>
<li class="list_li">...</li>
<li class="list_li">...</li>
<li class="list_li">...</li>
<li class="list_li">...</li>
</ul>
</div>