html,
body {
  margin: 0;
  padding: 0;
  order: 25
}

#banner {
  background: black;
  position: relative;
  width: 1280px;
  height: 720px;
  overflow: hidden;
  cursor: pointer;
  box-sizing: border-box;
  user-select: none
}

#banner:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  width: calc(100% - 1px * 2);
  height: calc(100% - 1px * 2);
  z-index: 1;
  border: 1px solid #000000
}

#banner div:not([id]),
#banner video {
  position: absolute;
  overflow: hidden;
}

#groupMlg {
  position: inherit;
  width: inherit;
  height: inherit;
  overflow: inherit
}