div > a > img{
    width: 10vw;
    min-width: 170px;
}
div > a {
    min-width: 170px;
}
div {
    display: flex;
}
@media (max-width: 600px) {
    div {
        flex-direction: column;
        align-items: center;
    }
    div > a {
        width: 80vw;
        max-width: 300px;
        min-width: 0;
    }
    div > a > img {
        width: 80vw;
        max-width: 300px;
        min-width: 0;
    }
}