[libadwaita/wip/exalm/osd-progress] stylesheet: Don't override progressbar.osd text color

[Alexander Mikhaylenko <alexm src gnome org>]

commit bab0f4d594dbfbe751dcb57af662779fc2e6ef8e
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue May 24 04:04:41 2022 +0400

    stylesheet: Don't override progressbar.osd text color
    
    An unfortunate byproduct of sharing the .osd name with other .osd styles.
    
    See https://gitlab.gnome.org/World/amberol/-/merge_requests/63

 src/stylesheet/widgets/_progress-bar.scss | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/stylesheet/widgets/_progress-bar.scss b/src/stylesheet/widgets/_progress-bar.scss
index 6c345091..8386f952 100644
--- a/src/stylesheet/widgets/_progress-bar.scss
+++ b/src/stylesheet/widgets/_progress-bar.scss
@@ -56,10 +56,12 @@ progressbar {
     }
   }
 
-  &.osd { // progressbar.osd used for epiphany page loading progress
+  &.osd {
+    // Thin progress bar with no trough, usually goes under the header bar
     min-width: 2px;
     min-height: 2px;
     background-color: transparent;
+    color: inherit;
 
     > trough {
       border-style: none;