[libadwaita] stylesheet: Replace #fff by white

[Alexander Mikhaylenko <alexm src gnome org>]

commit a35245918800c6ac3b28d209830aad48723d8546
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Jun 17 14:36:53 2021 +0200

    stylesheet: Replace #fff by white
    
    This avoids using magic colors and is more consistent.

 src/stylesheet/widgets/_avatar.scss | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/stylesheet/widgets/_avatar.scss b/src/stylesheet/widgets/_avatar.scss
index 8cbfbd47..9eaea476 100644
--- a/src/stylesheet/widgets/_avatar.scss
+++ b/src/stylesheet/widgets/_avatar.scss
@@ -32,7 +32,7 @@ avatar {
     }
   }
 
-  &.contrasted { color: #fff; }
+  &.contrasted { color: white; }
 
   &.image { background: none; }
 }