body {
  display: flex;
  place-items: center;
  font-size: 14px;
}

.container {
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-gap: 2em;
}

.item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;

  > iframe {
    border: none;
    width: 600px;
    height: 900px;
    transform: scale(60%);
  }
}