* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
}
h2 {
  text-align: center;
  color: #000000;
  margin-top: 100px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: dotted;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}
.container {
  width: 900px;
  padding: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 200px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 20px;
}

.container > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.bulb {
  width: 150px;
  height: 150px;
  background-color: #f2f2f2; /* Off-white color */
  border-radius: 25%;
  margin-bottom: 20px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s, box-shadow 0.3s ease-in-out;
}

.bulb.on1 {
  background-color: #ffcc00; /* Yellow when On */
  box-shadow: 0 0 20px rgba(255, 204, 0, 0.7);
}

.bulb.on2 {
  background-color: #ff7f00; /* Orange when On */
  box-shadow: 0 0 20px rgba(255, 127, 0, 0.7);
}

.bulb.on3 {
  background-color: #521d6a; /* Purple when On */
  box-shadow: 0 0 20px #521d6a;
}

.bulb.on4 {
  background-color: #ff1493; /* Dark Pink when On */
  box-shadow: 0 0 20px rgba(255, 20, 147, 0.7);
}

.toggle-btn {
  padding: 10px 20px;
  font-size: 16px;
  border: none;
  background-color: #007bff;
  color: white;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  margin-top: 10px; /* This will add some space between bulb and button */
}

.toggle-btn:hover {
  background-color: #0056b3;
}

.toggle-btn:focus {
  outline: none;
}

.glowing {
  animation: glow 2s infinite ease-in-out alternate;
  background-color: #ff0000;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.7);
}