JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td class="a">A</td>
        <td class="b">B</td>
        <td class="c">C</td>
    </tr>
</table>

CSS

table{
   width:100%;
}

.a, .b, .c
{
    background-color: red;
}
.a
{
    min-width: 10px;
}
.b
{
    min-width: 40px;
}
.c
{
    min-width: 15px;
}