title: Surplus in ie7 and ie8 intead of being Transparent while using PNG transparent and opacity
body: <p>I am developing a project that uses the PNG transparent and Opacity but, the area has a surplus in IE7 and IE8 instead of being transparent, it is black, can someone help me?</p>
  
  <p><a href="http://unistudio.com.br/clientes/transparent.jpg" rel="nofollow">print of area</a></p>
  
  <p>Thanks</p>