input[type="submit"] {
   border-radius: 4px;
    margin: 20px auto 0;
} 

p {
    font-size: 1.2em;
    margin: 5px auto 10px;
    width: 75%;
    font-weight: normal;
    text-align: center;
}

/* MEDIA QUERIES */

/* TAMANO SM */
@media (min-width: 560px) {
form {
    margin: auto;
    width: 90%;
}
    
.info h3 {
    text-align: center;
}    
}