.bg_image {
 	background-image: url(image/solchi-letti-dei-fiumi-Marte.jpg);
 	background-repeat: no-repeat;
	background-attachment: fixed;
	background-position: center center;
    background-size: cover;
 	}
 
 /* Riquadro testo */
  .riquadro-testo {
/*  	width: 80%;*/
  	width: 880px;
  	margin: 0 auto;
  	border: 2px solid black;
  	padding: 40px;
  	border-radius:50px;
  	background-color: rgb(10,10,10,0.6);
  	font-family: sans;
  	color: #cccccc;
  	text-align: justify;
	}

/* menubar */
.menubar {
	position: relative;
	text-align: center;
	}
	
.menu01 {
  position: absolute;
  top: 8px;
  left: 20px;
}
.menu02 {
  position: absolute;
  top: 8px;
  left: 109px;
}
.menu03 {
  position: absolute;
  top: 8px;
  left: 200px;
}
.menu04 {
  position: absolute;
  top: 8px;
  left: 300px;
}

/* for description in cat_idx */
.xdesc {
	font-size: 12px;
  }
  
/* text controls */	
blockquote {
	font-style: italic;
	}
  
h1 {
  	font-size: 28px;
	}

a {
    color: aqua; /* Default color for all links */
    text-decoration:none;
  }
a:visited {
    color: fuchsia; /* Color for visited links */
  }
a:hover {
    color: red; /* Color when hovering over a link */
  }
a:active {
    color: green; /* Color when the link is active (being clicked) */
  }
  
td {
	color: white;
  }