JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>1</td>
        <td>2</td>
        <td>3</td>
    </tr>
     <tr>
        <td>4</td>
        <td>5</td>
        <td>6</td>
    </tr>
<table>

CSS

table{
    background:#f3f3f3;
    width:200px;
}
table,td{
    border:1px solid;
    border-collapse: collapse;
}
td{
    text-align:center;
}