title: html element width is less than the sum of width of individual child elements?
body: <p><a href="http://jsfiddle.net/3BFGU/71/" rel="noreferrer">http://jsfiddle.net/3BFGU/71/</a></p>
  
  <p>Width of the html parent element (calculated using 1$(el).width()1) is less than the combined width of child elements.</p>
  
  <ol>
  <li>Happens only in Firefox.</li>
  </ol>
  
  <p>Any idea why this could be happening ? </p>