WP - Search form with font awesome

WP-search-form.css

nav form .search-field {
	border: 0;
}

nav form .search-submit {
	font-family: 'FontAwesome';
	border: 0;
}

WP-search-form.php

// must include font awesome for search icon http://fortawesome.github.io/Font-Awesome/

<form role="search" method="get" class="search-form" action="<?php echo home_url(); ?>">
  <input type="search" class="search-field" name="s" value="looking for something">
	<input type="submit" class="search-submit" value="&#xf002;">
</form>