.twitch .twitch-video {
  padding-top: 56.25%;
  position: relative;
  height: 0;
}

.twitch .twitch-video iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
}
.twitch .twitch-chat {
  height: 400px;
}

.twitch .twitch-chat iframe {
  width: 100%;
  height: 100%;
}
@media screen and (min-width: 850px) {
  .twitch {
    position: relative;
  }

  .twitch .twitch-video {
    width: 75%;
    padding-top: 42.1875%;
  }

  .twitch .twitch-chat {
    width: 25%;
    height: auto;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
  }
}