JSFiddle - React, Tailwind, and code Playground

HTML

<table>
<tr>
  <td>My Text</td>
  <td>
    <input name="x" id="y" type="text" size="4" maxlength="4" />
    <input type="button" onclick="..."  value="BlaBla" />
  </td>
</tr>
<tr>
  <td>Other Text</td>
  <td>
    <input name="xx" id="yy" type="text" size="20" />
    <input type="button" onclick="..."  value="MoreBlaBla" />
  </td>
</tr>
</table>

CSS

table {
    width:100%;
}

td {
    position:relative;
}

input[type="button"] {
    position:absolute;
    width:100px;
    right:0;
}