[gnome-text-editor] css: tweak close button size and visibility for touch

[Christian Hergert <chergert src gnome org>]

commit c80f9ed7149000f9143cc5ef1ae64e03b2270adf
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jun 29 10:48:28 2021 -0700

    css: tweak close button size and visibility for touch
    
    Fixes #105

 src/TextEditor.css | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/src/TextEditor.css b/src/TextEditor.css
index 5f40d84..948a5ab 100644
--- a/src/TextEditor.css
+++ b/src/TextEditor.css
@@ -70,13 +70,11 @@
 .org-gnome-TextEditor .open-popover listview row:last-child {
   border-bottom: 1px solid transparent;
 }
-.org-gnome-TextEditor .open-popover listview row:not(:hover) button {
-  opacity: 0;
-}
 .org-gnome-TextEditor .open-popover listview row button {
-  margin: 0px;
-  min-width: 16px;
-  min-height: 16px;
+  padding: 3px;
+  margin: 0;
+  min-height: 24px;
+  min-width: 24px;
 }