:root {
  --blue: #2196f3;
  --red: #f44336;
}

.hidden {
  display: none !important;
}
.transparent {
  visibility: hidden;
}
.opaque {
  opacity: 15%;
}

#loadingDIV {
  background-color: rgba(0,0,0,0.7);
  width: 100vw;
  height: 100vh;
  position: absolute;
  display: none;
  justify-content: center;
}
#loadingDIV p {
  align-items: center;
  align-content: center;
  font-size: 4rem;
}