html, body {
  margin: 0;
  padding: 0;
  width: 127px;
  height: 158px;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

#boko-popup {
  position: relative;
  width: 127px;
  height: 158px;
  overflow: hidden;
}

#boko-popup video {
  position: absolute;
  top: 0;
  left: 0;
  width: 127px;
  height: 158px;
  object-fit: contain;
  visibility: hidden;
}

#start {
  position: absolute;
  top: 0;
  left: 0;
  width: 127px; 
  height: 158px;
  z-index: 10;
}

#start img {
  width: 100%;
  height: 100%;
}