setup search form field name attribute
<a class="quick-icon" id="group" href="#"><img src="<?php echo get_template_directory_uri(); ?>/assets/group&touricon.png">Groups & Tours</a>
</div>
<div class="medium-6 large-3 columns show-for-medium-up">
- <input class="right show-for-large-up" type="search" placeholder="Search"><a id="magnifying-glass" class="show-for-large-up" href="#"></a>
-
+ <form method="get" action="<?php echo home_url('/'); ?>">
+ <input class="right show-for-large-up" type="search" placeholder="Search" value="" name="s"><a id="magnifying-glass" class="show-for-large-up" href="#"></a>
+ </form>
</div>
</div>
<div class="row">