HTML & CSS

How to make vertical scroll-bar to go down and read all text ?

<div style="height:200px; overflow-y: scroll;">
  <table> 

   <tr><td>.....</td></tr>

   <tr><td>.....</td></tr>

   <tr><td>.....</td></tr>

   <tr><td>.....</td></tr>   

   ....
  </table>
</div>

or

<div style="height:200px; overflow-y: scroll;">

<p>vertical scroll-bar </p> 
<p>Go Down </p> 

<p>Go Down </p> 

<p>Go Down </p> 

<p>Go Down </p> 

<p>Go Down </p>     

</div>