.video_grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px 30px;
}

.video_grid > div {
    flex-grow: 1;
    flex-shrink: 1;
    width: 100%;
}

/* medium + */
@media (min-width: 992px) {
    .video_grid > div {
        width: CALC(50% - 30px);
        max-width: CALC(50% - 30px);
    }
}