#mainmenu a {
and
#usermenu a{
in this lines add "display: block;"
it will looks like:
#mainmenu a {display: block; margin: 0; padding: 4px;}
{if $smarty.capture.column == 0}
<td></td><td></td>
{/if}
{if $smarty.capture.column <= 1}
<td></td><td></td>
</tr></table>
{/if}
<{if count($products) > 0}>
<div class="featured-blocks-titles"><h2><img src="<{$smarty.const.OLEDRION_IMAGES_URL}>icon-product-person.png" alt="<{$smarty.const._OLEDRION_CART}>" border="0" /><{$smarty.const._OLEDRION_MOST_RECENT}></h2></div>
<table border="0" class="oledrion_productindex">
<{foreach item=product from=$products}>
<tr>
<td class="oledrion_productthumb"><{if $product.product_thumb_url}><a href="<{$product.product_url_rewrited}>" title="<{$product.product_href_title}>"><img src="<{$product.product_thumb_full_url}>" alt="<{$product.product_href_title}>" border="0" /></a><{/if}></td>
<td class="oledrion_productssummary">
<table width="100%" cellspacing="0">
<tr>
<td class="page-curl_01">
<div class="oledrion_producttitle"><{$product.product_recommended_picture}><a href="<{$product.product_url_rewrited}>" title="<{$product.product_href_title}>"><{$product.product_title}></a></div><div class="oledrion_productauthor"><{if $product.product_joined_manufacturers != ''}><img src="<{$smarty.const.OLEDRION_IMAGES_URL}>author.png" alt="" border="0" /><{$smarty.const._OLEDRION_BY}> <{$product.product_joined_manufacturers}><{/if}></div>
<{if $mod_pref.use_price}><div class="oledrion_productprice"><{if $product.product_stock > 0 }><{$smarty.const._OLEDRION_PRICE}> <a href="<{$smarty.const.OLEDRION_URL}>caddy.php?op=addproduct&product_id=<{$product.product_id}>" title="<{$smarty.const._OLEDRION_ADD_TO_CART}>"><{if $product.product_discount_price_ttc != ''}><s><{$product.product_price_ttc}></s> <{$product.product_discount_price_ttc}><{else}><{$product.product_price_ttc}><{/if}> <img src="<{$smarty.const.OLEDRION_IMAGES_URL}>cartadd.png" alt="<{$smarty.const._OLEDRION_ADD_TO_CART}>" border="0" /></a><{else}><{$mod_pref.nostock_msg}><{/if}></div><{/if}>
</td>
</tr>
</table>
</td>
</tr>
<{/foreach}>
</table>
<{/if}>