.app {
  display: grid;
  max-width:250px;
  grid-column: 1fr;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.4);
  border-radius: 15px;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, .3);
  padding: 1rem 0;
  margin: 2rem auto;
}

h3 {
  width: 100%;
}

button {
  width: 100px;
  margin: 0 auto;
  background-color: #000;
  color: #fff;
  border-radius: 5px;
  font-size: 1rem;
}

.transform {
  color: #ff9955;
  transform: scale(0.98);
  transition: 150ms;
}