#nappi {
  position: fixed;
  transform: translate(-50%, -50%);
  top: 50vh;
  left: 50vw;
  font-family: "Comic Sans MS", cursive, sans-serif;
  width: max(25vw, 35vh);
  height: 25vh;
  font-size: 13vh;
}

#nappi:active {
  width: max(20vw, 28vh);
  height: 20vh;
  font-size: 10vh;
}