<ul>
	<li data-text="WORLD">世界</li>
	<li data-text="SPACE">宇宙</li>
</ul>
ul {
  margin: 0px;
  padding: 30px;
  list-style: none;
  text-align: center;
}
ul li {
  display: inline-block;
  margin: 0 1em;
  font-size: 22px;
  filter: drop-shadow(5px 5px 2px #a0a0a0);
}
ul li::after {
  content: attr(data-text);/*ここで表示させる*/
  display: block;
  margin-top: 10px;
  color: gray;
  font-size: 15px;
  border-bottom: 1px solid gray;
}

External CSS

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External JavaScript

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