.photo-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  grid-template-rows: 300px 300px 300px;
  grid-auto-flow: row dense;
  box-sizing: border-box;
 }

 [class^='photo-grid__item-'] {
  display: grid;
  background-color: lightgray;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  object-fit: cover;
  width: 100%;
  height: 300px;
 }

 .video__iframes {
  margin: 50px auto;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  list-style: none;
}

.video__iframe {
  display: flex;
  margin: 0;
  padding: 0;
  max-width: 100%;
  height: auto;
  border: none;
  transition: opacity 1s, visibility 1s, transform 1s ease-in-out;
}

.video__iframe:hover {
  opacity: .3;
  /* visibility: .3; */
  transition: opacity 1s, visibility 1s, transform 1s ease-in-out;
}

.video {
  background-color: white;
  display: none;
  flex-direction: column;
  position: relative;
  margin: 0;
  padding: 0;
}