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<html><head><style>table, th, td { border: 1px solid black; border-collapse: collapse;}th { text-align: left;}</style></head><body><h2>Left-align Headers</h2><p>To left-align the table headers, use the CSS text-align property.</p><table style="width:100%"> <tr> <th>Firstname</th> <th>Lastname</th> <th>Age</th> </tr> <tr> <td>Jill</td> <td>Smith</td> <td>50</td> </tr> <tr> <td>Eve</td> <td>Jackson</td> <td>94</td> </tr></table></body></html>