JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container1">
  <table>
  <thead>
     <tr>
        <th>Teste</th>
        <th>Teste2</th>
     </tr> 
     </thead>
    <tbody>
      <tr>
        <td>Info</td>
        <td>info</td>
      </tr>
      
      <tr>
        <td>Info</td>
        <td>info</td>
      </tr>
      
    </tbody>
    </table>
    <select name="" id="select1">
        
        <option value="option 1">Op 1</option>
        <option value="option 2">Op 2</option>
        
      </select>
  

</div>

CSS

#container1{
  border:1px solid black;
  height:100px;
  overflow-x:auto;
  overflow-y:visible;
}