Merge lp:~elementary-design/egtk/webkit2-scrollbar into lp:~elementary-design/egtk/trunk

[Danielle Foré]

fix scrollbars on webkit2 windows

=== modified file 'gtk-3.0/gtk-widgets.css'
--- gtk-3.0/gtk-widgets.css	2016-01-13 05:10:09 +0000
+++ gtk-3.0/gtk-widgets.css	2016-02-09 23:05:20 +0000
@@ -810,6 +810,7 @@
 
 scale slider:insensitive,
 .scale.slider:insensitive {
+    background-color: transparent;
     background-image: none;
     border: none;
     box-shadow: none;
@@ -1895,7 +1896,7 @@
 }
 
 scrollbar.overlay-indicator slider,
-.scrollbar.slider {
+.slider {
     border: 1px solid alpha (@bg_highlight_color, 0.25);
     background-color: alpha (@text_color, 0.6);
     border-radius: 10px;
@@ -1907,6 +1908,10 @@
     margin: 2px;
 }
 
+.trough {
+    background-color: @base_color;
+}
+
 /********
 * Menus *
 ********/