#Loading-Screen {
  position         : absolute;
  left             : -100%;
  top              : 1cm;
  width            : 100%;
  height           : calc(100% - 1cm);
  background-color : white;
  transition       : opacity 0.3s 0s, left 0s 0.3s, visibility 0s 0.3s;
  opacity          : 0;
  visibility       : hidden;
  cursor           : progress;
  z-index          : 10; 
}

#Loading-Screen[shown] {
  opacity    : 1;
  left       : 0;
  visibility : visible;
  transition : opacity 0.3s 0s, left 0s 0s, visibility 0s 0s;
}

#Loading-Screen .Loading-Screen-Progress {
  position : absolute;
  left     : 0;
  right    : 0;
  margin   : auto;
  width    : 40%;
  height   : 1mm;
  bottom   : 3cm;
}