[gtk: 1/2] gtk-demo: Fix CSS in pixbufs demo

[Benjamin Otte <otte src gnome org>]

commit 3bcbb4a7ccf14dc46436abe8d4cf213719c15725
Author: Björn Daase <bjoern daase net>
Date:   Fri Sep 4 16:14:09 2020 +0200

    gtk-demo: Fix CSS in pixbufs demo

 demos/gtk-demo/css_pixbufs.css | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/demos/gtk-demo/css_pixbufs.css b/demos/gtk-demo/css_pixbufs.css
index e6d33b04f1..e53d51772b 100644
--- a/demos/gtk-demo/css_pixbufs.css
+++ b/demos/gtk-demo/css_pixbufs.css
@@ -46,8 +46,8 @@
 }
 
 @keyframes size-the-image {
-    0% { background-size: 96px, 12px, 96px, 12px, 96px, 12px, 96px, 12px, auto }
-    100% { background-size: 12px, 96px, 12px, 96px, 12px, 96px, 12px, 96px, auto }
+    0% { background-size: 96px, 12px, 96px, 12px, 96px, 12px, 96px, 12px, auto; }
+    100% { background-size: 12px, 96px, 12px, 96px, 12px, 96px, 12px, 96px, auto; }
 }
 
 window {