22. Naming your table(合併表格)
23. Style that head!
<html>
<head>
<title>Table Time</title>
</head>
<body>
<table style="border-collapse:collapse;">
<thead>
<tr>
<th colspan="2"style="color:red">Famous Monsters by Birth Year</th>
</tr>
<tr style="border-bottom:1px solid black;">
<th style="padding:5px;"><em>Famous Monster</em></th>
<th style="padding:5px;border-left:1px solid black;"><em>Birth Year</em></th>
</tr>
</thead>
<tbody>
<tr>
<td style="padding:5px;">King Kong</td>
<td style="padding:5px;border-left:1px solid black;">1933</td>
</tr>
<tr>
<td style="padding:5px;">Dracula</td>
<td style="padding:5px;border-left:1px solid black;">1897</td>
</tr>
<tr>
<td style="padding:5px;">Bride of Frankenstein</td>
<td style="padding:5px;border-left:1px solid black;">1944</td>
</tr>
</tbody>
</table>
</body>
</html>