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HTML

            
              <article class="contentBox">
	<h1>Heading</h1>
</article>

            
          
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CSS

            
              .contentBox > h1 {
	margin:25px 0 0 0;
	padding:0;	
	border-bottom:#EDD599 solid 2px;
	border-radius:100%;
	width:300px;
	height:50px;
	color:#FF9653;
}

.contentBox {
	background-color:#BAD;
	height:100px;
}

            
          
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JS

            
              // http://css-tricks.com/forums/discussion/22751/curved-border-in-css
            
          
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