[gnome-shell-sass] theme: Fix :checked:active page-indicator

[Florian Müllner <fmuellner src gnome org>]

commit 2cc9f4a8cc76cb848445479f9cf4f6dba1eb5807
Author: Alex Monday <monday15 gmx com>
Date:   Sun Mar 10 22:56:34 2019 +0500

    theme: Fix :checked:active page-indicator
    
    Closes https://gitlab.gnome.org/GNOME/gnome-shell/issues/1036

 _common.scss | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/_common.scss b/_common.scss
index f1e00e0..c7485ae 100644
--- a/_common.scss
+++ b/_common.scss
@@ -1453,13 +1453,13 @@ StScrollBar {
       height: 12px;
       background-color: transparent;
       border: 2px solid rgba(255, 255, 255, 0.4);
-      border-radius:12px;
+      border-radius: 12px;
     }
 
     &:hover .page-indicator-icon { border-color: white; }
-    &:active .page-indicator-icon { border: none; margin: 2px; background-color:#fff; }
+    &:active .page-indicator-icon { border: none; margin: 2px; background-color: white; }
     &:checked .page-indicator-icon,
-    &:checked:active { background-color: #fff;}
+    &:checked:active .page-indicator-icon { background-color: white;}
   }
 
   .no-frequent-applications-label { @extend %status_text; }