.youtube-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;   /* GAP BETWEEN VIDEOS */
  padding: 10px 0;
}

.youtube-grid iframe {
  width: 100%;
  height: 200px;
  border-radius: 8px;
  display: block;
}