#human-check-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
}

body.show-human-check #human-check-overlay {
  display: flex;
}

.human-check-box {
  background: #fff;
  padding: 24px;
  border-radius: 14px;
  text-align: center;
}

body.show-human-check {
  overflow: hidden;
}