Source Code: (back to article)
<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.content-container{
font-size: 20px;
}
.content {
font-size: 1.5em;
}
</style>
</head>
<body>
<div id="content-container" class="content-container">
Parent element
<div id="outerChild" class="content">
Outer child element
<div id="innerChild" class="content">
Inner child element
</div>
</div>
</div>
</body>
</html>