JSFiddle - React, Tailwind, and code Playground

HTML

<table cellspacing="20">
    <thead>
        <tr>
            <th>Header 1</th>
            <th>Header 2</th>
            <th>Header 3</th>
        </tr>
    </thead>
    <tbody>
        <tr height="30"></tr>
        <tr>
            <td>Data 1</td>
            <td>Data 2</td>
            <td>Data 3</td>
        </tr>
        <tr>
            <td>Data 4</td>
            <td>Data 5</td>
            <td>Data 6</td>
        </tr>
        <tr>
            <td>Data 7</td>
            <td>Data 8</td>
            <td>Data 9</td>
        </tr>
        <tr>
            <td>Data 10</td>
            <td>Data 11</td>
            <td>Data 12</td>
        </tr>
        <tr>
            <td>Data 13</td>
            <td>Data 14</td>
            <td>Data 15</td>
        </tr>
        <tr>
            <td>Data 16</td>
            <td>Data 17</td>
            <td>Data 18</td>
        </tr>
        <tr>
            <td>Data 19</td>
            <td>Data 20</td>
            <td>Data 21</td>
        </tr>
        <tr>
            <td>Data 22</td>
            <td>Data 23</td>
            <td>Data 24</td>
        </tr>
        <tr>
            <td>Data 25</td>
            <td>Data 26</td>
            <td>Data 27</td>
        </tr>
        <tr>
            <td>Data 28</td>
            <td>Data 29</td>
            <td>Data 30</td>
        </tr>
        <tr>
            <td>Data 31</td>
            <td>Data 32</td>
            <td>Data 33</td>
        </tr>
        <tr>
            <td>Data etc</td>
            <td>Data etc</td>
            <td>Data etc</td>
        </tr>
        <tr>
            <td>Data etc</td>
            <td>Data etc</td>
            <td>Data etc</td>
        </tr>
        <tr>
            <td>Data etc</td>
            <td>Data etc</td>
            <td>Data etc</td>
        </tr>
        <tr>
            <td>Data etc</td>
            <td>Data etc</td>
            <td>Data etc</td>
        </tr>
        <tr>
            <td>Data etc</td>
            <td>Data etc</td>
  ...

CSS

thead {
    position:fixed;
    background-color:blue;
    color:#fff;
}

tbody {

}