.demo-video-wrap {
  position: relative;
  display: inline-block;
}
.demo-video-wrap video {
  display: block;
  max-width: 100%;
  height: auto;
}
#ai-aware-sound-toggle {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: 0;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}