Drupal 7 - Breadcrumbs

template.php

/**
 * Implements hook_breadcrumb
 */
function THEMENAME_breadcrumb($variables) {
  $breadcrumb = $variables['breadcrumb'];
  $crumbs = '<div class="breadcrumb"><div class="wrapper"><ul>';
  if (!empty($breadcrumb)) {
    // Provide a navigational heading to give context for breadcrumb links to
    // screen-reader users. Make the heading invisible with .element-invisible.
    $array_size = count($breadcrumb);
    $i = 0;
    while ( $i < $array_size) {
      $crumbs .= '<li class="breadcrumb-' . $i;
      if ($i == 0) {
        $crumbs .= ' first';
      }
      if ($i+1 == $array_size) {
        $crumbs .= ' last';
      }
      $crumbs .=  '">' . $breadcrumb[$i] . '</li> >';
      $i++;
    }
    $crumbs .= '<li class="active">' . drupal_get_title() . '</li></ul></div></div>';
    return $crumbs;
  }
  else {
    $crumbs .= '<li class="active">Home</li></ul></div></div>';
    return $crumbs;
  }
}