@media screen and (max-width: 820px) {
    .intro-title img {
        width: 300px;
    }

    .intro-title h1 {
        font-size: 2em;
        padding: 0;
    }
    
}

@media screen and (max-width: 520px) {
    .intro-title img {
        display: none;
    }
}