p {
  text-align: center;
  font-size: calc(6em + 0.5vw);
}

button {
  font-size: 10vw !important;
  width: 75%;
}

@media (max-width: 300px) {
  p {
    font-size: 110px;
  }
  button {
    font-size: 7vh !important;
  }
}

@media (min-width: 1000px) {
  button {
    font-size: 100px !important;
  }
}