#zumigun-youtube-player {
  position: fixed;
  left: 20px;
  bottom: 20px;
  width: 300px;
  height: 170px;
  z-index: 99999;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
#zumigun-youtube-player iframe {
  width: 100%;
  height: 100%;
  border: 0;
}
#zumigun-video-close {
  position: absolute;
  right: 6px;
  top: 6px;
  z-index: 2;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  background: rgba(0,0,0,.65);
  color: #fff;
}
@media (max-width: 600px) {
  #zumigun-youtube-player {
    width: 220px;
    height: 124px;
    left: 10px;
    bottom: 10px;
  }
}