<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
span{
display: block;
}
</style>
</head>
<body>
<h1>CSS display: block;</h1>
<p>This is paragraph. <span>This is span inside paragraph.</span></p>
<p><strong>Note</strong>: By Default <span> is an inline element.</p> </body>
</html>