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<!DOCTYPE html>
<html>
<head>
<style> 
#myDIV {
  margin: auto;
  border: 1px solid black;
  outline: coral solid 5px;
  width: 300px;
  height: 300px;
}
</style>
</head>
<body>
<p>Click the "Try it" button to change the outline-offset property of the DIV element:</p>
<button onclick="myFunction()">Try it</button>
<div id="myDIV">
  <h1>Hello</h1>
</div>
<p>The outlineOffset property is not supported in Edge 14 or earlier versions.</p>
<script>
function myFunction() {
  document.getElementById("myDIV").style.outlineOffset = "15px";
}
</script>
</body>
</html>