Pasted

<style type="text/css">
/* technique 1 */
tbody tr:nth-child(odd){ background-color:#ccc; }
/* technique 2 */
tbody tr.odd { background-color:#78a5d1; }
</style>
 
<table>
<tbody>
<tr><td>Row1</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr><td>Row2</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr><td>Row3</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr><td>Row4</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr><td>Row5</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
</tbody>
</table>
 
<table>
<tbody>
<tr class="odd"><td>Row1</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr><td>Row2</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr class="odd"><td>Row3</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr><td>Row4</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
<tr class="odd"><td>Row5</td><td>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</td></tr>
</tbody>
</table>