zig Tryit Editor

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {
  box-sizing: border-box;
}
ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
ul li {
  border: 1px solid #ddd;
  margin-top: -1px; /* Prevent double borders */
  background-color: #f6f6f6;
  padding: 12px;
  text-decoration: none;
  font-size: 18px;
  color: black;
  display: block;
  position: relative;
}
ul li:hover {
  background-color: #eee;
}
.close {
  cursor: pointer;
  position: absolute;
  top: 50%;
  right: 0%;
  padding: 12px 16px;
  transform: translate(0%, -50%);
}
.close:hover {background: #bbb;}
</style>
</head>
<body>
<h2>Closable List Items</h2>
<p>Click on the "x" symbol to the right of the list item to close/hide it.</p>
<ul>
  <li>Adele</li>
  <li>Agnes<span class="close">&times;</span></li>
  <li>Billy<span class="close">&times;</span></li>
  <li>Bob<span class="close">&times;</span></li>
  <li>Calvin<span class="close">&times;</span></li>
  <li>Christina<span class="close">&times;</span></li>
  <li>Cindy</li>
</ul>
<script>
  var closebtns = document.getElementsByClassName("close");
  var i;
  for (i = 0; i < closebtns.length; i++) {
    closebtns[i].addEventListener("click", function () {
      this.parentElement.style.display = 'none';
    });
  }
</script>
</body>

</html>