/* (A) GALLERY - BIG SCREEN */
#vid-gallery {
  display: grid;
  grid-template-columns: repeat(3, auto);
  grid-gap: 10px;
}
#vid-gallery video {
  width: 100%;
  cursor: pointer;
}

/* (B) GALLERY - SMALL SCREEN */
@media screen and (max-width: 1000px) {
  #vid-gallery { grid-template-columns: repeat(2, auto); }
}
@media screen and (max-width: 600px) {
  #vid-gallery { grid-template-columns: auto; }
}