.block-grid-row {
    width:100%;
    display: flex;
    flex-wrap: wrap;
}

.block-grid-col{
    position:relative;
}

.block-grid-row > .block-grid-col {
    flex: 1;
}

.block-grid-row .block-grid-row{
    flex-wrap:nowrap;
}

.block-grid-row > .block-grid-col .block-grid-col{
    min-width: 0;
}


@media (max-width: 992px) {
    .block-grid-row > .block-grid-col {
        flex: 1 1 100% !important;
    }
}