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<!DOCTYPE html> <html> <head> <style> table, td { border: 1px solid black; } tr.collapse { visibility: collapse; } </style> </head> <body> <h1>The visibility Property</h1> <table> <tr> <td>Peter</td> <td>Griffin</td> </tr> <tr class="collapse"> <td>Lois</td> <td>Griffin</td> </tr> </table> </body> </html>