<!DOCTYPE html> <link rel="author" title="Xianzhu Wang" href="mailto:wangxianzhu@chromium.org" /> <link rel="help" href="https://crbug.com/1180773"/> <link rel="match" href="collapsed-border-positioned-tr-td-ref.html"/> <style> td { width: 50.6px; height: 50.3px; background: yellow; padding: 0; border: 1px solid blue; } </style> <table style="border-collapse: collapse"> <tr style="position: relative"> <td></td><td></td><td></td> </tr> <tr> <td style="position: relative"></td> <td style="position: relative"></td> <td style="position: relative"></td> </tr> </table>