  
  .legend {
    background: #f4f4f4;
    padding: 10px;
    border: 1px solid #ccc;
    width: 300px;
    margin: 20px auto;
  }
  
  .legend h2 {
    text-align: center;
  }
  
  .legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
  }
  
  .legend-symbol {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border: 2px solid #023047;
    background-size: cover;
    background-position: center;
    
  }
  