JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
    <table>
        <tr>
            <td>1</td>
            <td>2</td>
            <td>3</td>
            <td>4</td>
        </tr>
        <tr>
            <td>5</td>
            <td>6</td>
            <td>7</td>
            <td>8</td>
        </tr>
    </table>
</body>
</html>

CSS

table{
    border-collapse: collapse;
}
tr:hover{
    box-shadow: 0 0 15px 5px rgba(143, 162, 193, .59) inset; /*тень при наведении на строчку таблицы (<tr>)*/
}
td{
    border: 2px solid #214EAB;
    width: 100px;
    height: 60px;
    text-align: center;
}