<!DOCTYPE html>
<table style="position: relative; border-collapse: collapse">
<td style="position: relative; width: 50px; height: 50px; padding: 0; border: 5px solid blue"></td>
</table>
<!DOCTYPE html>
<table style="position: relative; border-collapse: collapse">
<td style="position: relative; width: 50px; height: 50px; padding: 0; border: 5px solid blue"></td>
</table>