/* taking care of responsive layout */
.gallery {
    display: flex;
    flex-wrap: wrap;
    margin: 0.5rem;
  }
  
  .single-video {
    width: 10rem;
    flex-grow: 1;
    margin: 0.5rem;
  }
  
  /* taking care of the video aspect-ratio */
  figure {
    position: relative;
    padding: 0 0 56.25% 0;
  }
  
  figure iframe {
    position: absolute;
    width: 100%;
    height: 100%;
  }