[gtk/misc-cleanups: 8/8] widget-factory: Use symboli icons in the toolbar

[Matthias Clasen <matthiasc src gnome org>]

commit 0070cff32ded9d968dbac3f2e421fb9b3de2ddae
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 5 10:44:50 2020 -0400

    widget-factory: Use symboli icons in the toolbar
    
    That is the style that is commonly used nowadays, even
    in traditional apps.

 demos/widget-factory/widget-factory.css | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/demos/widget-factory/widget-factory.css b/demos/widget-factory/widget-factory.css
index 1782e6db5f..cdf809a285 100644
--- a/demos/widget-factory/widget-factory.css
+++ b/demos/widget-factory/widget-factory.css
@@ -2,3 +2,7 @@
   padding: 0;
   outline-width: 0;
 }
+
+.toolbar {
+  -gtk-icon-style: symbolic;
+}