[dconf-editor] Fix CSS for pathbar slashes.

[Arnaud B. <arnaudb src gnome org>]

commit d71853c38e0db3eea7d1abb50345104a510eabcf
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Oct 17 18:47:32 2018 +0200

    Fix CSS for pathbar slashes.
    
    Fixes issue #7.

 editor/dconf-editor.css | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)
---
diff --git a/editor/dconf-editor.css b/editor/dconf-editor.css
index 0043daa..3f2b7ae 100644
--- a/editor/dconf-editor.css
+++ b/editor/dconf-editor.css
@@ -245,11 +245,11 @@
 }
 
 /* pathbar internals */
-.pathbar > label {
-  color:alpha(currentColor,0.8);
+.pathbar          > label {
+  opacity:0.55;
 }
-.pathbar > label:backdrop {
-  color:alpha(currentColor,0.9);
+.pathbar:backdrop > label {
+  opacity:0.8;
 }
 
 .pathbar > button {
@@ -312,12 +312,14 @@
 }
 
 /* inexistent items */
-.pathbar > label,
-.pathbar > button.inexistent:not(.active) > label.item {
-  color:@insensitive_fg_color;
+.pathbar          > button.inexistent:not(.active)       > label.item {
+  opacity:0.7;
+}
+.pathbar:backdrop > button.inexistent:not(.active)       > label.item {
+  opacity:1.0;
 }
 
-.pathbar > button.inexistent:not(.active):hover > label.item {
+.pathbar          > button.inexistent:not(.active):hover > label.item {
   border-bottom-color:transparent;
 }