<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title></title>
<style>
div.row
{
clear: both;
}
</style>
</head>
<body>
<div class="row">
<div>1</div>
<div>2</div>
<div>3</div>
</div>
</body>
</html>
