gts comments tweak

themes/nipponalba/layouts/partials/head.html

@@ -12,7 +12,7 @@
     <script type="text/javascript" src="/api/cactuschat/cactus.js"></script>
     <link rel="stylesheet" href="/api/cactuschat/style.css" type="text/css">
     <link rel="stylesheet" href="/api/cactuschat/custom.css" type="text/css">
-    <link rel="stylesheet" type="text/css" href="{{.Site.BaseURL}}css/mastodon.css" />
+    <link rel="stylesheet" type="text/css" href="{{.Site.BaseURL}}/css/mastodon.css" />
     <!-- indieweb stuff -->
     <link rel="me" href="mailto:jon@kelbie.scot" />
     <link rel="me" href="https://note.com/jon_kelbie" />