<div style="position: relative; width: 300px; height: 225px;"><a href="http://phet.colorado.edu/sims/forces-and-motion-basics/forces-and-motion-basics_es.jnlp" style="text-decoration: none;"><img src="http://phet.colorado.edu/sims/forces-and-motion-basics/forces-and-motion-basics-screenshot.png" alt="Fuerzas y Movimiento:Fundamentos" style="border: none;" width="300" height="225"/><div style="position: absolute; width: 200px; height: 80px; left: 50px; top: 72px; background-color: #FFF; opacity: 0.6; filter: alpha(opacity = 60);"></div><table style="position: absolute; width: 200px; height: 80px; left: 50px; top: 72px;"><tr><td style="text-align: center; color: #000; font-size: 24px; font-family: Arial,sans-serif;">Click para iniciar</td></tr></table></a></div>