@media screen and (max-width: 480px) {
    .t-store__grid-cont_mobile-grid .t-col:not(.t-col_8):not(.t-col_12),.t-store__grid-cont_mobile-grid .t-store__stretch-col:not(.t-store__stretch-col_100) {
        display: block;
        width: 100%;
        margin-bottom: 15px;
    }
}