.demo-wrapper {
  em {
    font-weight: bold;
    font-style: normal;
  }

  .cn-mui-message {
    margin-bottom: 12px;
  }
}

.tab-extra {
  padding: 0 12px;
  border-left: 1px solid #000;
}

.content {
  height: 120px;
  color: #999;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  user-select: none;
}