JSFiddle - React, Tailwind, and code Playground
HTML
<table><tr><td>1</td></tr></table>
<table><tr><td>2</td></tr></table>
<table><tr><td></td></tr></table>
<table><tr><td>3</td></tr></table>
CSS
table:has(tr) { border: 1px solid red; }
<table><tr><td>1</td></tr></table>
<table><tr><td>2</td></tr></table>
<table><tr><td></td></tr></table>
<table><tr><td>3</td></tr></table>
table:has(tr) { border: 1px solid red; }