body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif, sans-serif;
  }

  <style>
  .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 0px;
  }
  .item {
    width: calc(50% - 50px);
    margin: 0 0px;
  }
  .video {
    aspect-ratio: 16 / 9;
    width: 100%;
  }
</style>