@media (max-width: 750px) {

    .col-right {
        border-left:none !important;
        text-align:center;
        padding-left:0px !important;
    }
    .col-left {
        text-align: center;
    }

    .footer {
        position: relative;
        float: left;
        margin-top: 15px;
        height: 220px;
    }

    .description-columns {
        display: block;
        position: relative;
        height: 180px;
    }

    .button-footer {
        position: absolute;
        bottom: 0px;
        right: 50%;
        margin-right: -94px;
    }
}