JSFiddle - React, Tailwind, and code Playground

by bfavaretto

HTML

<table width="50%">
<tr><td>1</td><td>2</td><td>3</td></tr>
</table>

CSS

tr {
  position: relative;
  width: 100%;
}

td::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 20px;
  background: rgba(255, 0, 0, 0.35);
}