<html>
<head>
<style>
body {
background-color:#E7E9EB;
}
#myDIV {
height:300px;
background-color:#FFFFFF;
}
#main {
width:100px;
padding:50px;
background-color:lightblue;
outline: solid red;
outline-width: 10px;
}
</style>
</head>
<body>
<h1>The outline-width property</h1>
<div id="myDIV">
<div id="main">
The outline-width property specifies the thickness of the outline border.
</div>
</div>
</body>
</html>