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<!DOCTYPE html>
<html>
<head>
<style> 
#example1 {
  border: 1px solid;
  padding: 10px;
  box-shadow: 5px 10px 8px #888888;
}
#example2 {
  border: 1px solid;
  padding: 10px;
  box-shadow: 5px 10px 18px #888888;
}
#example3 {
  border: 1px solid;
  padding: 10px;
  box-shadow: 5px 10px 18px red;
}
</style>
</head>
<body>
<h2>box-shadow: 5px 10px 8px #888888:</h2>
<div id="example1">
  <p>The optional third value adds a blur effect to the shadow.</p>
</div>
<h2>box-shadow: 5px 10px 18px #888888:</h2>
<div id="example2">
  <p>More blurred.</p>
</div>
<h2>box-shadow: 5px 10px 18px red:</h2>
<div id="example3">
  <p>More blurred and red.</p>
</div>
</body>