<!doctype html> <html><head> <title>Table border collapse</title> <style> table { border: 2px solid black; border-collapse: collapse; } td { border: 2px solid black; width: 50px; height: 50px; } </style> </head> <body> <table> <tr><td> </td><td> </td><td> </td></tr> <tr><td> </td><td> </td><td> </td></tr> <tr><td> </td><td> </td><td> </td></tr> </table> </body></html>