header{
    text-align: center;
    font-size: 20px;
}

nav{
    text-align: center;
    margin-bottom: 40px;
    font-size: 20px;
    font-weight: bold;
    background-color: rgb(172, 164, 164);
    padding: 15px;
}

nav a{
    margin-right: 40px;
    padding: inherit;
    color: black;
}

nav a:hover{
    background-color: lightgray;
}

img{
    height: 600px;
}

#immagine{
    text-align: center;
    margin-bottom: 25px;
}

#autore{
    margin-bottom: 20px;
    margin-bottom: 40px;
}

footer{
    text-align: center;
    background-color: rgb(172, 164, 164);
    padding: 10px;
}

footer a{
    color: black;
    padding: 10px;
}

footer a:hover{
    background-color: lightgray;
}

h2, h3{
    margin-bottom: 1px;
}

li{
    padding: 5px;
}

p{
    margin-top: 10px;
}

ul{
    margin-top: 10px;
}

body{
    font-size: 18px;
    background-color: rgb(230, 227, 227);
}

#testo{
    padding-left: 450px;
    padding-right: 450px;
}