.modu {
    font-size: 20px;
    color:red;
}
.bottone, bottone:hover, bottone:active {
    background-color: #0d6efd;
    color:white;
    border-radius: 0.25rem;
    text-transform: uppercase;
    text-align: center;
    vertical-align: middle;
    padding: 0.7rem;
}