CSS osCommerce problem

I am trying to move the column boxes to CSS in osCommerce but am having a problem with a couple of them (search.php). Here is the code

<!-- search //-->
<?php echo tep_draw_form('quick_find', tep_href_link(FILENAME_ADVANCED_SEARCH_RESULT, '', 'NONSSL', false), 'get') ;?>

	<div class="column">
	    <div class="column_corner_left"><h4><?php echo BOX_HEADING_SEARCH ;?></h4></div>
            <div class="column_p_box">
                <?php echo tep_draw_input_field('keywords', '', 'size="10" maxlength="30" style="width: ' . (BOX_WIDTH-30) . 'px"') . '&nbsp;' . tep_hide_session_id() . tep_image_submit('button_quick_find.gif', BOX_HEADING_SEARCH) ;?></br>
		        <?php echo BOX_SEARCH_TEXT ;?></br>
		        <a href="<?php echo tep_href_link(FILENAME_ADVANCED_SEARCH) ;?>"><b><?php echo BOX_SEARCH_ADVANCED_SEARCH ;?></b></a>
            </div>

    </div>
</form>
<!-- search_eof //-->

Code (markup):

<div class="column_p_box"> is supposed to wrap the box in a border and display a different background color. It does do that but only the form box is inside the <div class="column_p_box">. The rest, such as the button and text are under the <div class="column_p_box"> when it displays.

Any ideas what I am doing wrong.

Thanks.