body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f5f5f5;
    margin: 20px;
  }
  
  h1 {
    color: #333;
    margin-bottom: 20px;
  }
  
  svg {
    background-color: white;
    border: 1px solid #ccc;
    margin: auto;
    display: block;
  }
  
  .bar {
    fill: steelblue;
  }