JSFiddle - React, Tailwind, and code Playground

HTML

<table border="1">
    <tr>
        <td>Content</td>
        <td>Content</td>
        <td>Content</td>
    </tr>
     <tr>
        <td>Content</td>
        <td>Content</td>
        <td>Content</td>
    </tr>
     <tr>
        <td>Content</td>
        <td>Content</td>
        <td>Content</td>
    </tr>
</table>

CSS

table {
         border-collapse:collapse;
         border: 1px solid #000; 
    }
    
    table td {
         border: 1px solid red;
    }