[gtk/gallery-reflow-fix] docs: Convince the widget gallery to reflow

[Matthias Clasen <matthiasc src gnome org>]

commit 808e5421a91cb56218b8b2117d030cecbcd07d15
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 24 10:51:02 2021 -0400

    docs: Convince the widget gallery to reflow

 docs/reference/gtk/visual_index.md | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/docs/reference/gtk/visual_index.md b/docs/reference/gtk/visual_index.md
index 4bba3baadf..d117e97c47 100644
--- a/docs/reference/gtk/visual_index.md
+++ b/docs/reference/gtk/visual_index.md
@@ -1,5 +1,7 @@
 Title: Widget Gallery
 
+<style>p { display: flex; flex-flow: row wrap; }</style>
+
 ## Display widgets
 
 [![label](label.png)](class.Label.html)