.video-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

@media screen and (min-width: 769px) {
  .video-list {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
  }
}

.video-list .video_box-item {
  max-width: inherit;
  justify-content: space-between;
  margin: var(--space);
  width: 80vw;
}

@media screen and (min-width: 769px) {
  .video-list .video_box-item {
    max-width: 40vw;
    width: 100%;
  }
}