[sysprof/wip/gtk4-port] css: fix trough styling

[Christian Hergert <chergert src gnome org>]

commit 7a7ef8d80d093c7e29039c01b323254a46ff22fb
Author: Christian Hergert <chergert redhat com>
Date:   Fri Oct 1 14:13:19 2021 -0700

    css: fix trough styling

 src/libsysprof-ui/css/SysprofDisplay-shared.css | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libsysprof-ui/css/SysprofDisplay-shared.css b/src/libsysprof-ui/css/SysprofDisplay-shared.css
index 4c992489..a4ca6d57 100644
--- a/src/libsysprof-ui/css/SysprofDisplay-shared.css
+++ b/src/libsysprof-ui/css/SysprofDisplay-shared.css
@@ -30,11 +30,11 @@ SysprofVisualizersFrame scrollbar.horizontal {
   background: transparent;
   }
 
-SysprofVisualizersFrame scrollbar.horizontal contents trough {
+SysprofVisualizersFrame scrollbar.horizontal range trough {
   background: transparent;
   }
 
-SysprofVisualizersFrame scrollbar.horizontal contents trough slider {
+SysprofVisualizersFrame scrollbar.horizontal range trough slider {
   margin-left: 1px;
   margin-right: 1px;
   padding: 6px;