Tryit Editor v3.7

<!DOCTYPE html>
<html>
<style>
#myDIV {
  height: 250px;
  width: 400px;
  padding: 10px;
  margin: 15px;
  border: 5px solid red;
  background-color: lightblue;
}
</style>

<body>
<h1>The Element Object</h1>
<h2>The clientHeight and clientWidth Properties</h2>

<div id="myDIV">
  <b>Information about this div:</b><br>
  Height: 250px<br>
  Width: 400px<br>
  Padding: 10px<br>
  Margin: 15px<br>
  Border: 5px<br>
  <p id="demo"></p>
</div>

</body>

</html>