diff --git a/layouts/partials/site_head.html b/layouts/partials/site_head.html
index c6e170ac..6664f14d 100644
--- a/layouts/partials/site_head.html
+++ b/layouts/partials/site_head.html
@@ -138,12 +138,9 @@
{{ end }}
- {{ range .AlternativeOutputFormats }}
-
- {{ end }}
-
-
-
+
+
+
diff --git a/layouts/slides/baseof.html b/layouts/slides/baseof.html
index c213ef04..0cb0ffea 100644
--- a/layouts/slides/baseof.html
+++ b/layouts/slides/baseof.html
@@ -10,8 +10,8 @@
-
-
+
+
diff --git a/static/img/icon.png b/static/img/icon-32.png
similarity index 100%
rename from static/img/icon.png
rename to static/img/icon-32.png
diff --git a/static/img/icon-512.png b/static/img/icon-512.png
new file mode 100644
index 00000000..6c184d70
Binary files /dev/null and b/static/img/icon-512.png differ