body {
    border: none;
    background-color:rgba(0,0, 0, 0.9);
    margin: 0;
    padding: 0;
    font-family: Verdana, Arial, sans-serif;
}
header {
    border: none;
    background: blue url("immagini/logo.jpg")  fixed top left;
    margin: 0;
    padding: 1%;
}
nav {
    border: none;
    border-radius: 10px;
    background-color: rgba(0, 255, 255, 0.9);
    margin: 1%;
    padding: 1%;
}
div {
    float: right;
    border: none;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    margin: 0 1% 1% 1%;
    padding: 1%;
    width: 66%;
}
aside {
    float: left;
    border: none;
    border-radius: 10px;
    background-color: rgba(255, 255, 0, 0.9);
    margin: 0 1% 10% 1%;
    padding: 1%;
    width: 26%;
    overflow: hidden;
}
footer {
    border: none;
    border-radius: 10px;
    background-color: rgba(0, 255, 0, 0.9);
    clear: both;
    text-align: center;
    margin: 1%;
    padding: 1%;
}
nav ul, aside ul { 
    margin: 0;
    padding: 0;
    list-style-type: none;
}
nav li {
    display: inline;
}
nav li a, aside li a {
    border-radius: 10px;
    padding: 0.5%;
    font-weight: bold;
    text-decoration: none;
}
nav li a:hover, aside li a:hover {
    background-color: navy;
    color: white;
}
aside li a {
    padding: 0.5% 2%;
    color: red
}
h1 {
    text-align: center;
    margin: 0;
}
h1 a{
   font-size: 60px;  
   color:red;
   font-weight: bold;
   text-decoration: none;
}
h1 a:hover {
   background-color: ;
   color: white;
}