Display breadcrumbs with → arrows instead of :: double colons

templates/widget/breadcrumbs.hamlet

@@ -1,6 +1,6 @@
 $# This file is part of Vervis.
 $#
-$# Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
+$# Written in 2016, 2018 by fr33domlover <fr33domlover@riseup.net>.
 $#
 $# ♡ Copying is an act of love. Please copy, reuse and share.
 $#
@@ -15,6 +15,6 @@ $# <http://creativecommons.org/publicdomain/zero/1.0/>.
 <span .parents>
   $forall (route, title) <- bcs
     <a href=@{route}>#{title}
-    :: #
+    → #
 <span .title>
   #{current}