[gtk/wip/jimmac/larger-scrollbars-gtk4] Adwaita: make scrollbars larger

[Jakub Steiner <jimmac src gnome org>]

commit 23af707b41a78a1b3e4af09b9d8847f51dfadff1
Author: Jakub Steiner <jimmac gmail com>
Date:   Mon Jan 25 14:15:22 2021 +0100

    Adwaita: make scrollbars larger
    
    When using scrollbars as active controls, rather than their primary role as indicators,
    increase their size as click targets.
    
    Fixes https://gitlab.gnome.org/GNOME/gtk/issues/1886

 gtk/theme/Adwaita/_common.scss | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 9bf97e18bf..05877b1dc7 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -2282,11 +2282,11 @@ scrollbar {
   &.right { border-left: 1px solid $borders_color; }
 
   > range > trough > slider {
-    min-width: 6px;
-    min-height: 6px;
+    min-width: 10px;
+    min-height: 10px;
     margin: -1px;
     border: 4px solid transparent;
-    border-radius: 8px;
+    border-radius: 10px;
     background-clip: padding-box;
     background-color: $scrollbar_slider_color;
 
@@ -2299,12 +2299,12 @@ scrollbar {
 
   > range.fine-tune {
     > trough > slider {
-      min-width: 4px;
-      min-height: 4px;
+      min-width: 6px;
+      min-height: 6px;
     }
 
-    &.horizontal > trough > slider { border-width: 5px 4px; }
-    &.vertical > trough > slider { border-width: 4px 5px; }
+    &.horizontal > trough > slider { border-width: 6px 4px; }
+    &.vertical > trough > slider { border-width: 4px 6px; }
   }
 
   &.overlay-indicator {