body {
  background: #111;
  color: white;
  font-family: sans-serif;
  text-align: center;
  padding: 20px;
}
input {
  margin: 5px;
  padding: 8px;
}
button {
  padding: 10px;
  background: gold;
  border: none;
  margin: 5px;
  cursor: pointer;
}