JSFiddle - React, Tailwind, and code Playground

by gocode

HTML

<table class='asd'><tr class="check">
    <td>23ed</td>
  </tr>
  <tr>
    <td>23ed</td>
  </tr>
  <tr>sdfg
    <td>
      <table>
        <tr>
          <td>asfvb</td>
        </tr>
      </table>23ed</td>
  </tr>
</table>

CSS

body > table > tbody > tr:first-child {
  background: yellow;
}