body {
  font-family: Arial;
  background-color: gray;
}

h1 {
  color: gray;
}

#settings {
  background-color: white;
  border: 4px black;
  padding: 10px;
  width: 250px;
}

button {
  background-color: lime;
  padding: 10px;
}

p {
  margin: 5px;
}