body {
  font-family: Arial, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f9f9f9;
  line-height: 1.6;
}

h1 {
  color: #ff9900;
  text-align: center;
  font-size: 36px;
  text-shadow: 2px 2px 4px #cccccc;
}

.bulb-image {
  display: block;
  margin: 0 auto;
  width: 150px;
}

.feature-box {
  background-color: white;
  border: 1px solid #ddd;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
  color: #333;
  border-bottom: 2px solid #ff9900;
  padding-bottom: 5px;
}

.history {
  background-color: #fffae6;
  padding: 15px;
  border-left: 5px solid #ff9900;
  margin: 20px 0;
}