[gtk+] Adwaita: shrink scroolbars

[Lapo Calamandrei <lapo src gnome org>]

commit eef31532650e64f542d53508cb5137312bc4af39
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Sat Mar 5 02:01:16 2016 +0100

    Adwaita: shrink scroolbars
    
    erroneusly pushed 15px scrollbars with the previous commit, back
    to 13px now.

 gtk/theme/Adwaita/_common.scss           |    8 ++++----
 gtk/theme/Adwaita/gtk-contained-dark.css |   18 +++++++++++-------
 gtk/theme/Adwaita/gtk-contained.css      |   18 +++++++++++-------
 3 files changed, 26 insertions(+), 18 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 551e6f2..db842a8 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -2044,8 +2044,8 @@ scrollbar {
 
   // slider
   slider {
-    min-width: 8px;
-    min-height: 8px;
+    min-width: 6px;
+    min-height: 6px;
     margin: -1px;
     border: 4px solid transparent;
     border-radius: 8px;
@@ -2127,8 +2127,8 @@ scrollbar {
   // button styling
   button {
     padding: 0;
-    min-width: 14px;
-    min-height: 14px;
+    min-width: 12px;
+    min-height: 12px;
     border-style: none;
     border-radius: 0;
     transition-property: min-height, min-width, color;
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index ab033bd..2323131 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -2178,11 +2178,15 @@ notebook > stack:not(:only-child) {
  * Scrollbars *
  **************/
 scrollbar {
+  /*
+    // disable steppers
+    @at-root * {
+      -GtkScrollbar-has-backward-stepper: false;
+      -GtkScrollbar-has-forward-stepper: false;
+    }
+  */
   background-color: #313434;
   transition: 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94); }
-  * {
-    -GtkScrollbar-has-backward-stepper: false;
-    -GtkScrollbar-has-forward-stepper: false; }
   scrollbar.top {
     border-bottom: 1px solid #1c1f1f; }
   scrollbar.bottom {
@@ -2195,8 +2199,8 @@ scrollbar {
     background-color: #323737;
     border-color: #1f2222; }
   scrollbar slider {
-    min-width: 8px;
-    min-height: 8px;
+    min-width: 6px;
+    min-height: 6px;
     margin: -1px;
     border: 4px solid transparent;
     border-radius: 8px;
@@ -2252,8 +2256,8 @@ scrollbar {
     min-height: 40px; }
   scrollbar button {
     padding: 0;
-    min-width: 14px;
-    min-height: 14px;
+    min-width: 12px;
+    min-height: 12px;
     border-style: none;
     border-radius: 0;
     transition-property: min-height, min-width, color;
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index aa42248..b3284a0 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -2188,11 +2188,15 @@ notebook > stack:not(:only-child) {
  * Scrollbars *
  **************/
 scrollbar {
+  /*
+    // disable steppers
+    @at-root * {
+      -GtkScrollbar-has-backward-stepper: false;
+      -GtkScrollbar-has-forward-stepper: false;
+    }
+  */
   background-color: #c3c4c4;
   transition: 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94); }
-  * {
-    -GtkScrollbar-has-backward-stepper: false;
-    -GtkScrollbar-has-forward-stepper: false; }
   scrollbar.top {
     border-bottom: 1px solid #9d9d99; }
   scrollbar.bottom {
@@ -2205,8 +2209,8 @@ scrollbar {
     background-color: #e1e1df;
     border-color: #a5a5a1; }
   scrollbar slider {
-    min-width: 8px;
-    min-height: 8px;
+    min-width: 6px;
+    min-height: 6px;
     margin: -1px;
     border: 4px solid transparent;
     border-radius: 8px;
@@ -2262,8 +2266,8 @@ scrollbar {
     min-height: 40px; }
   scrollbar button {
     padding: 0;
-    min-width: 14px;
-    min-height: 14px;
+    min-width: 12px;
+    min-height: 12px;
     border-style: none;
     border-radius: 0;
     transition-property: min-height, min-width, color;