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Correct!

Set the background color of <th> elements to "lightblue".

<style> table, th, td { border: 1px solid green; } th { background-color: lightblue; } </style> <table> <tr> <th>Firstname</th> <th>Lastname</th> </tr> <tr> <td>Peter</td> <td>Griffin</td> </tr> <tr> <td>Lois</td> <td>Griffin</td> </tr> </table>

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Correct!

<style>
table, th, td {
  border: 1px solid green;
}

 {
  : lightblue;
}
</style>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
  </tr>
</table>

  
  
  




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