<h3>Envelope</h3>
<h4>Representation of the number</h4>
<p>Drag and drop the paperclips one by one in the envelope.</p>
<p>Simply click on the envelope to make reappear the papaerclips on the page.</p>
<p>The "Edit" button allows you to :</p>
<ul>
	<li>choose the theme of the App : tablet, slate, or none (by default tablet),</li>
	<li>change the number of paperclip(s).</li>
</ul>
<p>Click the "Reload" button to restart the game.</p>