The tables are found on cart.html, on checkout.html and on membership-levels.html

The markup is similar to

<table class="cart-table">
 <thead>
  <tr>
   <th class="product-remove">&nbsp;</th>
   [..]
  </tr>
 </thead>
 <tbody>
  <tr>
   <td class="product-remove"></td>
   [..]
  </tr>
  [..]
 </tbody>
</table>

The table style is found in app/css/scss/elements/_cartTable.scss and app/css/scss/elements/_table.scss