@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@700&display=swap');

html, body {
  width: 100%;
  height: 100%;
  overflow:hidden;
  font-family: 'Roboto', sans-serif;
  color:#fff;
}

.tray {
  height:100%;
  width:100%;
  background:transparent;
  display:flex;
  justify-content:center;
  align-items:center;  
}

.sum {
  font-size:50px;
  width:100px;
  text-align:center;
  padding-top:9px;
  opacity:0;
}

@media
(orientation: portrait) {
  .tray {
    flex-direction:column;
  } 
}


  .tray {
    transform:scale(50%);
    transform-origin: top left;
    width:200%;
    height:140%;

}