.slideshow { 
	height: 300px; 
	width: 595px; 
	margin: auto
}
.slideshow img { background-color: #eee; }

.slideshow .titolo { 
	background-color: #004322; 
	color: #FFF; 
	filter: alpha(opacity=80); /* here you can set the opacity of box with text */
	-moz-opacity: 0.8; /* here you can set the opacity of box with text */
	-khtml-opacity: 0.8; /* here you can set the opacity of box with text */
	opacity: 0.8; /* here you can set the opacity of box with text */
	height: 50px; 
	font-size: 19px;
	width: 595px;
}