<ul class="loader">
  <li></li>
  <li></li>
  <li></li>
  <li></li>
  <li></li>
</ul>
<style>
/* From Uiverse.io by Pradeepsaranbishnoi - Tags: loader */
@keyframes pound {
  to {
    transform: scale(1.2);
    box-shadow: 1px 2px 3px 0 rgba(0, 0, 0, 0.65), 2px 6px 12px 0 rgba(0, 0, 0, 0.5), 3px 8px 15px 0 rgba(0, 0, 0, 0.45)
  }
}

ul.loader {
  display: block;
  position: relative;
  width: 5em;
}

.loader li {
  list-style: none;
  display: block;
  float: left;
  width: 0.5em;
  height: 3em;
  margin: 0