WordPress breadcrumbs

functions.php

/**
 * Generate breadcrumbs
 *
 * https://www.nuno-sarmento.com
 */

function get_breadcrumb() {
    echo '<a href="'.home_url().'" rel="nofollow">Home</a>';
    if (is_category() || is_single()) {
        echo "&nbsp;&nbsp;&#187;&nbsp;&nbsp;";
        the_category(' &bull; ');
            if (is_single()) {
                echo " &nbsp;&nbsp;&#187;&nbsp;&nbsp; ";
                the_title();
            }
    } elseif (is_page()) {
        echo "&nbsp;&nbsp;&#187;&nbsp;&nbsp;";
        echo the_title();
    } elseif (is_search()) {
        echo "&nbsp;&nbsp;&#187;&nbsp;&nbsp;Search Results for... ";
        echo '"<em>';
        echo the_search_query();
        echo '</em>"';
    }
}

style.css

.breadcrumb {
	padding: 8px 15px;
	margin-bottom: 20px;
	list-style: none;
	background-color: #f5f5f5;
	border-radius: 4px;
}
.breadcrumb a {
	color: #428bca;
	text-decoration: none;
}