@media (max-width: 768px) {
    .page-title-medium h1 {
        font-size: 40px;
        line-height: 45px;
    }
    .chi-siamo-feature img{
        max-width:200px;
        margin-top:50px;
    }
    .sustenibility-project .portfolio-hover-content span{
        font-size: 0.9em;
        line-height: 1;
    }
    .popup-1 {
        width: 90%;
        margin: 25% auto;
    }
    .page-title-medium h1 {
        font-size: 30px;
        line-height: 45px;
        z-index: 99;
        max-width: 350px;
        margin: 0 auto;
    }
}