JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <thead>
        <tr>
            <td>HeaderA</td>
            <td>HeaderB</td>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>Item 1</td>
            <td>Value</td>
        </tr>
    </tbody>
</table>

CSS

html{
  background-color:red;
}
table {
    border-collapse: collapse;
	border-spacing: 0;
}
td {
    width: 100px;  
    height: 25px;
}
table thead {
    background-color: lightgrey;  
}