	<span class="border border-light"></span>
		<span class="border border-dark"></span>
		<span class="border border-white"></span>
	</div>	
	<h2>Border radius</h2>
	<div>Add classes to an element to easily round its corners.</div>
	<div class="group">
		<span class="border rounded"></span>
		<span class="border rounded-top"></span>
		<span class="border rounded-right"></span>
		<span class="border rounded-bottom"></span>
		<span class="border rounded-left"></span>
		<span class="border rounded-circle"></span