body {
  background-color: #ffffff;
  color: cyan;
  font-family: "Segoe UI", sans-serif;
}

h3 {
  color: black;
  font-family: Monospace, sans-serif;
  text-align: center;
}

button {
  background-color: green;
  color: black;
  height: 100;
  width: 14;
  display: block;
  font-family: Arial;
  margin: 20px auto;
}

a {
  background-color: green;
  color: black;
  font-family: Verdana, bold;
  text-align: center;
  display: block;
  margin: 20px auto;
}