JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>col1</td>
        <td>line1</td>
    </tr>
    <tr>
        <td>col1</td>
        <td>line2</td>
    </tr>
    <tr>
        <td>col1</td>
        <td>line3</td>
    </tr>
    <tr>
        <td>col1</td>
        <td>line4</td>
    </tr>
    <tr>
        <td>col1</td>
        <td>line5</td>
    </tr>
    <tr>
        <td>col1</td>
        <td>line6</td>
    </tr>
    <tr>
        <td>col1</td>
        <td>line7</td>
    </tr>
</table>

CSS

tr td:first-child {
  -webkit-user-select: none;  /* Chrome all / Safari all */
  -moz-user-select: none;     /* Firefox all */
  -ms-user-select: none;      /* IE 10+ */
  user-select: none;          /* Likely future */      
}