body {
  font-family:
    -apple-system, "Apple Color Emoji", BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Color Emoji", "Segoe UI Emoji", 
    sans-serif;
}
  background: #111;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
  width: 60%;
}

input {
  width: 80%;
  padding: 12px;
  margin-top: 20px;
  font-size: 18px;
}

button {
  padding: 12px 20px;
  margin-top: 10px;
  font-size: 16px;
}

#results {
  margin-top: 30px;
  font-size: 24px;
}