This action is used after the menu wrapper.
function jaw_landing_page_buy_button() { echo "<a class='btn jaw-landing-page-buy-button' href='http://themeforest.net/item/goodstore-woocommerce-theme/7314327?ref=jawtemplates' style='position: absolute; top: 23px; right: 0px; border: 2px solid white; color: white; z-index: 1px; padding: 5px 40px;'><span style='font-weight: bold;'>BUY NOW</span></a>"; } add_action('jaw_after_menu_wrapper', 'jaw_landing_page_buy_button',0);The result can look like this:
List of all hooks you can find HERE