body {
  height: 100vh;
  background-color: #000;
  margin: 0;
  padding: 0;
  overflow: hidden;
  width: 100%;
}

.play_iframe {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.play_iframe iframe {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.back-icon {
  position: fixed;
  left: 4px;
  top: 30px;
  z-index: 999999;
}

.back-icon img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
}