body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}

nav ul {
    list-style-type: none;
    margin: 15;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 22px;
    text-decoration: none;
    color: #fff;

#copertinalazza { 
    heingt: 100px
    width:  100px