I have a table:
<table class="list-table">
  <thead><tr><th>header</th></tr></thead>
  <tbody>
   <tr><td>Single row of glorious table content</td></tr>  // Repeat me x100
  </tbody>
</table>
This table is wrapped in a div to give it a fixed height:
   <div class="col-sm-3 col-sm-offset-9" style="top:80px; bottom:20px;">
   <table>
   ...
   </table>
   </div>
Now the question: How can I use overflow:auto (or equivalent) to have the tbody contents scroll if the TR repeats exceed this fixed height? 
*Note I want only the tbody (or tr contents in the tbody) to scroll, not the theador its contents * 
*EDIT: UPDATE *
For those interested, I ended up splitting this into two identical tables, then wrapping the table with the tbody in a overflow:auto and aligning the thead separately with a position:fixed
 
     
     
     
    