body {
  background-color: black;
  color: yellow;
  font-family: 'Courier New', monospace;
  text-align: center;
  padding: 20px;
}

#quiz {
  margin: 20px auto;
  max-width: 500px;
}

button {
  background: yellow;
  border: none;
  padding: 10px 20px;
  margin-top: 10px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: orange;
}

#answers button {
  display: block;
  width: 100%;
  margin: 5px 0;
  background: #222;
  color: yellow;
  border: 1px solid yellow;
}

#answers button:hover {
  background: yellow;
  color: black;
}