body,
html {
  margin: 0;
  padding: 0;
}

#screen {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

#button {
  font-family: "Roboto", sans-serif;
  font-size: medium;
  background-color: black;
  color: white;
  border: none;
  padding: 10px 10px 10px 10px;
}

#button:active {
  border-style: none;
}