[gnome-text-editor] css: tweak flowboxchild selection radaii

[Christian Hergert <chergert src gnome org>]

commit c2a64592f6790fe7be63dec46117a78ce8662ce8
Author: Christian Hergert <chergert redhat com>
Date:   Sun Dec 26 15:57:31 2021 -0800

    css: tweak flowboxchild selection radaii
    
    Fixes #271

 src/TextEditor.css | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/TextEditor.css b/src/TextEditor.css
index e5591fb..dc1296c 100644
--- a/src/TextEditor.css
+++ b/src/TextEditor.css
@@ -8,6 +8,9 @@ window.org-gnome-TextEditor positionlabel label {
 window.org-gnome-TextEditor.preferences textview.preview {
   line-height: 1.2;
 }
+window.org-gnome-TextEditor.preferences preferencesgroup flowboxchild {
+  border-radius: 11px;
+}
 
 
 /* EditorThemeSelector */