Your style sheet should define all the borders of cells, table headers, table to be grey. Also the background of the table header to be black and the text white.


 

html>

<head>

<style type="text/css">

table, td, th

{

border:1px solid grey;

}

th

{

background-color:black;

color:white;

}

</style>

</head>

<body>

<table>

<tr>

<th>Firstname</th> <th>Lastname</th> <th>Savings</th>

</tr>

<tr>

<td>Peter</td><td>Griffin</td><td>£100</td>

</tr>

<tr>

<td>Lois</td><td>Griffin</td><td>£150</td>

</tr>

<tr>

<td>Joe</td><td>Swanson</td><td>£300</td>

</tr>

<tr>

<td>Cleveland</td><td>Brown</td><td>£250</td>

</tr>

</table>

</body>

</html>