body {
  font-family: avenir;
  display: flex;
  flex-direction: column;
  text-align: center;
  height: 100vh;
  justify-content: center;
  align-items: center;
  background: linear-gradient(blue, #ff00cc);
  color: white;
}

p {
  width: 80%;
}

button {
  background: rebeccapurple;
  color: white;
  padding: 10px 20px;
  border-radius: 50% ;
}