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<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="../lib/w3.css">
<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.4.0/css/font-awesome.min.css">
<body>

<div class="w3-container">
<p>Floating Buttons:</p>
<a class="w3-btn-floating w3-red"><i>+</i></a>
<a class="w3-btn-floating w3-teal"><i class="fa fa-plus"></i></a>
<a class="w3-btn-floating w3-disabled"><i class="fa fa-plus"></i></a>

<p>Large Floating Buttons:</p>
<a class="w3-btn-floating-large w3-red"><i>+</i></a>
<a class="w3-btn-floating-large w3-teal"><i class="fa fa-plus"></i></a>
<a class="w3-btn-floating-large w3-disabled"><i class="fa fa-plus"></i></a>
</div>

</body>
</html>