#upload {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  opacity: 0;
  color: white;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  transition: opacity 0.5s;
  display: flex;
  background-color: rgba(0, 0, 0, 0.5);
}

.uploading #upload {
  opacity: 1;
}

#upload-input {
  display: flex;
  width: 100%;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}