JSFiddle - React, Tailwind, and code Playground

HTML

<table>
	<tr>
		<td>blabla</td>
	</tr>
	<tr>
		<td>blabla</td>
	</tr>
</table>

CSS

body {background: #25292C;}
table {position:relative;width:400px;border-collapse:collapse;}
tr {border:2px solid #181B1D;color: #fff;}
tr:before, table:after {content:"";position:absolute;width:396px;border-top:2px solid #2F3337;}
table:after {width:400px;left:0;}
td {height:40px;text-align:center;}