body {
  box-sizing: border-box;
  text-align: center;
}

button {
  border: none;
  padding: 10px 0 10px 0;
  color: aliceblue;
  font-weight: 900;
  width: 200px;
  margin-bottom: 5px;
  border-radius: 5px;
  background-color: darkred;
}