<style type="text/css">
.twitch-container {
  position: relative;
  overflow: hidden;
  width: 50%;
  padding-top: 56.25%;
}
    .twitch-container2 {
  position: relative;
  overflow: hidden;
  width: 50%;
  padding-top: 56.25%;
}
    
.twitch-responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}
    
</style>
<div id="twitch-cont">
    <div class="twitch-container"><iframe class="twitch-responsive-iframe" src="https://player.twitch.tv/?channel=kanal&parent=.com"></iframe></div>
<div class="twitch-container2"><iframe class="twitch-responsive-iframe" src="https://www.twitch.tv/embed/kanal/chat?parent=.com">
    </iframe></div>
</div>