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<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
  background-color: lightblue;
  border: solid black 1px;
  max-block-size: 60px;
  writing-mode: vertical-lr;
}
</style>
</head>
<body>
<h1>The max-block-size Property</h1>
<p>Here, the max-block-size property is affected by the CSS writing-mode property.</p>
<div id="myDIV">
  <p>This is a DIV element.</p>
  <p>This is more text to try to expand the box</p>
  <p>This is more text to try to expand the box</p>
</div>
</body>
</html>