body {
	background-image: url('images/ciacho.jpg');
	background-position: center top;
	background-repeat: no-repeat;
	background-color: #fff;
}

.tresc {
	text-align: justify;
	font-size: 13px;
	font-family: Verdana, Geneva, sans-serif;
	color: #333;
	width: 750px;
	padding: 20px;
	border-radius: 10px;
	background-color: rgba(255,255,255,0.7);
	margin: 0 auto;
	
}