.desktop > .ardframe img {
    width: 60%;
}

.mobile > .ardframe img {
    width: 90%;
}


.center-img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}



@media only screen and (max-width: 768px) {
    .desktop {
        display: none;
    }
}

@media only screen and (min-width: 768px) {
    .mobile {
        display: none;
    }
}