.uppy-is-drag-over:after {
  content: "";
  position: fixed;
  top: 7px;
  right: 7px;
  bottom: 7px;
  left: 7px;
  border: 5px dashed #bbb;
  z-index: 10000;
  background-color: rgba(234, 234, 234, 0.5);
}