JSFiddle - React, Tailwind, and code Playground

HTML

<table>
	<tr>
		<td class="rowindicator">&nbsp;</td>
		<td>Some content</td>
		<td>Some more content</td>
	</tr>
</table>

CSS

table{background: yellow;}
td{padding:15px;}
.rowindicator{width:5px; padding-right:0px;  padding-left:0px; background-color:pink;}