@media (max-width: 768px) {

    .mcb-wrap-inner .column_heading .arrow {
        position: absolute;
        top: 50%;
        right: 10px;
        transform: translateY(-50%);
        display: inline-block;
        width: 0;
        height: 0;
        margin-left: 5px;
        vertical-align: middle;
        border-style: solid;
        transition: transform 0.3s ease;
    }

    .mcb-wrap-inner .column_heading  .arrow.up {
      border-width: 5px 5px 0 5px;
        border-color: #fff transparent transparent transparent;
    }


    .mcb-wrap-inner .column_heading .arrow.down {
       border-width: 0 5px 5px 5px;
        border-color: transparent transparent #fff transparent;
    }




    .column_footer_menu {
        display: none;
        margin-top: 10px;
    }


    .column_heading {
        cursor: pointer;
        user-select: none;
        position: relative;
    }

    .column_heading:hover {
        color: #337ab7;
    }
}