[nautilus] CSS: Do some devel styling that doesn't interfere with actual design

[Carlos Soriano <csoriano src gnome org>]

commit 0ed81f3f4cc53c50a0538c34c5e7509707865b2c
Author: Carlos Soriano <csoriano gnome org>
Date:   Fri Mar 23 21:44:45 2018 +0100

    CSS: Do some devel styling that doesn't interfere with actual design

 src/resources/css/Adwaita.css | 110 +-----------------------------------------
 1 file changed, 1 insertion(+), 109 deletions(-)
---
diff --git a/src/resources/css/Adwaita.css b/src/resources/css/Adwaita.css
index 59ab22b02..ddcf582d1 100644
--- a/src/resources/css/Adwaita.css
+++ b/src/resources/css/Adwaita.css
@@ -5,119 +5,11 @@
 }
 
 .nautilus-window.devel headerbar {
-    background: #cbd2d9 -gtk-icontheme("system-run-symbolic") 70% 0/64px 64px no-repeat, linear-gradient(to 
top, #a5b1bd, #c5cdd5 2px, #cbd2d9 3px);
+    background: #cbd2d9 -gtk-icontheme("system-run-symbolic") 70% 0/64px 64px no-repeat, linear-gradient(to 
left, #a5b1bd 0%, #a5b1bd 8%, @theme_bg_color 25%);
     box-shadow: inset 0 1px #f1f3f5;
     border-color: #909fae;
     color: rgba(46, 52, 54, 0.2);
 }
-.nautilus-window.devel headerbar > * {
-    color: #2e3436;
-}
-.nautilus-window.devel headerbar > *:backdrop {
-    color: #8b8e8f;
-}
-.nautilus-window.devel headerbar:backdrop {
-    background-image: -gtk-icontheme("system-run-symbolic"), image(#cbd2d9);
-    box-shadow: inset 0 1px #f1f3f5;
-    color: rgba(139, 142, 143, 0.1);
-}
-.nautilus-window.devel headerbar button {
-    color: #2e3436;
-    outline-color: rgba(46, 52, 54, 0.3);
-    border-color: #909fae;
-    border-bottom-color: #738698;
-    background-image: linear-gradient(to bottom, #cbd2d9, #bfc8d0 60%, #aeb9c3);
-    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.6);
-}
-.nautilus-window.devel headerbar button.flat,
-.nautilus-window.devel headerbar button.titlebutton {
-    border-color: transparent;
-    background-color: transparent;
-    background-image: none;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0);
-    text-shadow: none;
-    -gtk-icon-shadow: none;
-}
-.nautilus-window.devel headerbar button.titlebutton {
-    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-}
-.nautilus-window.devel headerbar button:hover {
-    color: #2e3436;
-    outline-color: rgba(46, 52, 54, 0.3);
-    border-color: #909fae;
-    border-bottom-color: #738698;
-    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0.6);
-    background-image: linear-gradient(to bottom, #dde1e6, #cbd2d9 60%, #bfc8d0);
-}
-.nautilus-window.devel headerbar button:active,
-.nautilus-window.devel headerbar button:checked {
-    color: #2e3436;
-    outline-color: rgba(46, 52, 54, 0.3);
-    border-color: #909fae;
-    background-image: image(#b9c3cc);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0);
-    text-shadow: none;
-    -gtk-icon-shadow: none;
-}
-.nautilus-window.devel headerbar button:disabled {
-    border-color: #909fae;
-    background-image: image(#d3d9df);
-    text-shadow: none;
-    -gtk-icon-shadow: none;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0);
-}
-.nautilus-window.devel headerbar button:disabled label,
-.nautilus-window.devel headerbar button:disabled {
-    color: #8b8e8f;
-}
-.nautilus-window.devel headerbar button:backdrop {
-    border-color: #cbd2d9;
-    background-image: image(#cbd2d9);
-    text-shadow: none;
-    -gtk-icon-shadow: none;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0);
-    border-color: #909fae;
-}
-.nautilus-window.devel headerbar button:backdrop label,
-.nautilus-window.devel headerbar button:backdrop {
-    color: #8b8e8f;
-}
-.nautilus-window.devel headerbar button:backdrop:active {
-    border-color: #bbc5ce;
-    background-image: image(#bbc5ce);
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0);
-    border-color: #909fae;
-}
-.nautilus-window.devel headerbar button:backdrop:active label,
-.nautilus-window.devel headerbar button:backdrop:active {
-        color: #8b8e8f;
-}
-.nautilus-window.devel headerbar button:backdrop:disabled {
-    border-color: #d3d9df;
-    background-image: image(#d3d9df);
-    text-shadow: none;
-    -gtk-icon-shadow: none;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0);
-    border-color: #909fae;
-}
-.nautilus-window.devel headerbar button:backdrop:disabled label,
-.nautilus-window.devel headerbar button:backdrop:disabled {
-    color: #999fa4;
-}
-.nautilus-window.devel headerbar button.flat:backdrop,
-.nautilus-window.devel headerbar button.titlebutton:backdrop {
-    border-color: transparent;
-    background-color: transparent;
-    background-image: none;
-    box-shadow: inset 0 1px rgba(255, 255, 255, 0);
-    text-shadow: none;
-    -gtk-icon-shadow: none;
-}
 
 .nautilus-canvas-item {
     border-radius: 5px;