[gnome-shell/wip/jimmac/buttons-checked] theme: Provide :checked state for buttons

[Jakub Steiner <jimmac src gnome org>]

commit 0274fc28132a7c81eceb25fc04386b2abb347659
Author: Jakub Steiner <jimmac gmail com>
Date:   Mon Nov 8 14:23:53 2021 +0100

    theme: Provide :checked state for buttons
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/4757

 data/theme/gnome-shell-sass/_common.scss | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/theme/gnome-shell-sass/_common.scss b/data/theme/gnome-shell-sass/_common.scss
index 9df3d8d435..0f3f3ee05f 100644
--- a/data/theme/gnome-shell-sass/_common.scss
+++ b/data/theme/gnome-shell-sass/_common.scss
@@ -116,7 +116,7 @@ stage {
   &:focus { @include button(focus);}
   &:hover { @include button(hover);}
   &:insensitive { @include button(insensitive);}
-  &:active { @include button(active);}
+  &:active, &:checked { @include button(active);}
 }
 
 // buttons in dialogs