#scanner-confirm-form .scanner-buttons .scanner-button-msg {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.75;
  font-size: 1.2em;
  padding-left: 1em;
}
#scanner-confirm-form .scanner-buttons .scanner-button-msg p {
  color: #fff;
}