@media screen and (max-width: 740px) {
    #work {
        display: none;
        visibility: collapse;
    }

    #work-mobile {
        display: block;
        visibility: visible;
    }

    #work-content-section-mobile {
        margin: 0 15px 0 15px;
    }

    .work-content-column{
        display: inline-block;
        vertical-align: top;
        width: 50%;
    }
}