table {
      width: 70%;
      border-collapse: collapse;
      margin: 20px auto;
      font-family: Arial, sans-serif;
    }

    th, td {
      border: 1px solid #444;
      padding: 10px;
      text-align: center;
    }

    th {
      background-color: #009879;
      color: white;
    }

    tr:nth-child(even) {
      background-color: #f2f2f2;
    }