.whitescreen {
  display: none; /* do not display on start */
  z-index: -1000; /* move behind app-root */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  max-width: 100%;
  -webkit-box-shadow: 0px 0px 20px 0px #ccc;
  -moz-box-shadow: 0px 0px 20px 0px #ccc;
  box-shadow: 0px 0px 20px 0px #ccc;
  font-size: 14px;
}
.whitescreen p {
  margin: 0;
}
.whitescreen-top {
  background: #1976d2;
  color: #fff;
  padding: 20px;
}
.whitescreen-icon {
  font-size: 30px;
  padding-bottom: 20px;
}
.whitescreen-message {
  line-height: 20px;
}
.whitescreen-email {
  padding-top: 20px;
}
.whitescreen-bottom {
  padding: 20px;
}
.whitescreen-bottom p {
  font-size: 10px;
  background: #fff;
  color: #000;
}