@media screen and (min-width:768px) {
    .div2 {
        display: flex;
        justify-content: space-between;
        margin-top: 25px;
    }
}
@media screen and (max-width:768px) {
    .div2 {
        display: block;
    }

    .div2 img{
        width: 100%;
        margin-top: 20px;
    }
}