html { 
  background: url(../img/background.jpg) no-repeat left  center fixed; 
  -webkit-background-size: cover;
  background-size: cover;
}

*{
	padding: 0px;
	margin: 0px;
	font-family: Century Gothic;
}

.fondocontenido{
	margin: 0px;
	margin-top: 40px;
	padding: 15px;
	background-color:rgba(255,255,255,0.4);
   	border-radius: 0px 0px 5px 5px;
   	
}