JSFiddle - React, Tailwind, and code Playground

by patrick29

HTML

<table>
    <tr>
        <td>A</td>
        <td>B</td> 
    </tr>
    <tr>
        <td class='selected'>C</td>
        <td>D</td> 
    </tr>
</table>

CSS

table{
    border-collapse:collapse;
}

table, td{
    border:solid 1px;
}

.selected{
    border: outset 3px;
}