article.portfolio.design {
    padding: 0 10px !important;
    margin-top: 10px !important;
}

article.portfolio.design a {
    background-size: initial !important;
}

@media (max-width: 991px) and (min-width:525px)
{
    .isotope > article {
        width: 50% !important;
        position: relative !important;
        float: left;
        top: 0 !important;
        left: 0 !important;
        transform: none !important;
    }
}