Please help me HTML / CSS my menu

The Code that I need to use on the menu at the top of http:disappointed:revolutionarymindfulness.com

<nav class=”header-navigation right”>

<?php wp_nav_menu( array( ‘theme_location’ => ‘main_menu’,’container_class’ => ‘menu’ ) ); ?>

<div class=”select-menu”>

<?php ThemexInterface::renderDropdownMenu(‘main_menu’:wink:; ?>

<span> </span>

</div><!–/ select menu–>

</nav>