body {
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
  margin-top: 50px;
  background: #f0f0f0;
}

#color-swatch {
  width: 200px;
  height: 200px;
  margin: 20px auto;
  border: 2px solid #333;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

#color-code {
  font-size: 1.2em;
  font-weight: bold;
}