.fullScreen {
  position: absolute;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  overflow: hidden;
  background: black;
  margin: 0;
  padding: 0;
}

.fullParentSize {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  overflow: hidden;
}

.bigFileDrop {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: lightgray;
  border-radius: 10px;
  width: 300px;
  padding: calc(50vh - 2em) calc(50vw - 150px - 1em);
  background: lightgray;
}