<div class="container">
  <ul>
    <li>Lorem ipsum dolor sit amet consectetur.</li>
    <li>Lorem ipsum dolor sit amet consectetur, adipisicing elit. Dicta eius nesciunt similique!</li>
    <li>Lorem ipsum dolor sit amet consectetur adipisicing.</li>
    <li>Lorem ipsum dolor sit amet consectetur adipisicing elit. Libero!</li>
    <li>Lorem, ipsum dolor.</li>
    <li>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Dicta, unde.</li>
    <li>Lorem ipsum dolor sit amet.</li>
    <li>Lorem ipsum dolor sit.</li>
    <li>Lorem, ipsum.</li>
    <li>Lorem ipsum dolor sit amet consectetur adipisicing elit. Sequi, reprehenderit maiores! At, rerum consequatur. Eos inventore officiis corporis.</li>
    <li>Lorem ipsum dolor sit amet consectetur adipisicing.</li>
  </ul>
</div>

.container {
  max-width: 960px;
  margin: 0 auto;
}
.container ul {
  list-style-position: inside;
  column-count: 2;
  list-style-type: square;
  height: 200px;
}