* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: cursive;
}
body {
  background-color: #000000;
  color: aqua;
  height: 100vh;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

h1 {
  padding: 3.5rem;
  background: #191919;
  color: antiquewhite;
  border-radius: 20px;
}

button {
  margin-top: 20px;
  padding: 20px;
  border-radius: 15px;
  cursor: pointer;
  font-size: 2rem;
  background: #101010;
  color: aliceblue;
  outline: none;
}

@media screen and (max-width: 768px) {
  h1 {
    padding: 1.5rem;
    font-size: 1.25rem;
    border-radius: 20px;
  }

  button {
    margin-top: 20px;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem;
    background: #101010;
    color: aliceblue;
  }
}