.trtc-player-container {
  height: 100%;
  width: 100%;
  position: relative;
}
.trtc-player {
  height: 100%;
  width: 100%;
}
.trtc-dark-mask {
  width: 100%;
  height: 100%;
  background-color: black;
  position: absolute;
  top: 0;
}