body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 20px;
    text-align: center;
  }
  
  .container {
    max-width: 700px;
    margin: auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }
  
  .led-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 30px;
    gap: 20px;
  }
  
  .led-wrapper {
    text-align: center;
  }
  
  .led {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #666;
    box-shadow: inset 0 0 8px #000;
    transition: all 0.3s;
    margin-bottom: 10px;
  }
  
  .led-label {
    font-weight: bold;
    text-transform: capitalize;
  }
  
  .burned {
    background-color: black !important;
    box-shadow: 0 0 10px red, 0 0 20px red;
  }