body {
font-family: Trebuchet MS, Arial; 
margin: 0px;
padding: 5px;
background-image: url(img/sfondo.jpg);
} 

#tab{
border-width: thin;
border-style: dotted;
border-color: #8B0000;
}

.menunav {
font-size: 110%;
color: #8B0000;
text-center: left;
}

.menunav a {background-color: transparent; color: #8B0000; font-weight: 700;	 text-decoration: none;}
.menunav a:hover {background-color: #8B0000; color: #E9E9E9; font-weight: 700; text-decoration: none;}