body {
  background-color: #f0f0f0;
  padding-top: 20px;
  padding-bottom: 20px;
}
.bot-notice {
  opacity: 0;
  color: #f0f0f0;
  font-size: 1px;
  line-height: 1px;
  position: relative;
  pointer-events: none;
}