[gtk+] gtk3-demo: Update css

[Matthias Clasen <matthiasc src gnome org>]

commit a7a934a60cc9e1e52fc6ded89f41c4ab3efefa9a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 27 22:39:09 2016 -0500

    gtk3-demo: Update css
    
    Clean up any deprecation warnings from the css examples in
    gtk3-demo.

 demos/gtk-demo/css_shadows.css |    4 +-
 demos/gtk-demo/cssview.css     |   10 +++---
 demos/gtk-demo/reset.css       |   57 +---------------------------------------
 3 files changed, 8 insertions(+), 63 deletions(-)
---
diff --git a/demos/gtk-demo/css_shadows.css b/demos/gtk-demo/css_shadows.css
index b66b43e..ca7a041 100644
--- a/demos/gtk-demo/css_shadows.css
+++ b/demos/gtk-demo/css_shadows.css
@@ -29,7 +29,7 @@ button {
 
 button:hover {
   text-shadow: 3px 3px 5px alpha(black, 0.75);
-  icon-shadow: 3px 3px 5px alpha(black, 0.75);
+  -gtk-icon-shadow: 3px 3px 5px alpha(black, 0.75);
   box-shadow: 3px 3px 5px alpha(black, 0.5) inset;
   border: solid 1px alpha(black, 0.75);
 }
@@ -37,7 +37,7 @@ button:hover {
 button:active {
   padding: 11px 9px 9px 11px;
   text-shadow: 1px 1px 2.5px alpha(black, 0.6);
-  icon-shadow: 1px 1px 2.5px alpha(black, 0.6);
+  -gtk-icon-shadow: 1px 1px 2.5px alpha(black, 0.6);
 }
 
 
diff --git a/demos/gtk-demo/cssview.css b/demos/gtk-demo/cssview.css
index 5060c39..a3675c9 100644
--- a/demos/gtk-demo/cssview.css
+++ b/demos/gtk-demo/cssview.css
@@ -10,12 +10,12 @@
   background-color: #4a90d9;
 }
 
-.scrollbar.trough,
+scrollbar trough,
 .scrollbars-junction {
   background-color: alpha(white, 0.80);
 }
 
-.scrollbar.slider {
+scrollbar slider {
   border-width: 3px;
   border-style: solid;
   border-radius: 10px;
@@ -24,11 +24,11 @@
   background-color: #999;
 }
 
-.scrollbar.slider:prelight {
+scrollbar slider:hover {
   background-color: #555;
 }
 
-.pane-separator {
+paned separator {
   background-color: alpha(white, 0.80);
   background-image: linear-gradient(transparent, transparent 1px, #999 1px, #999 4px, transparent 4px);
   background-size: 40px auto;
@@ -36,6 +36,6 @@
   background-position: center;
 }
 
-.pane-separator:prelight {
+paned separator:hover {
   background-image: linear-gradient(transparent, transparent 1px, #555 1px, #555 4px, transparent 4px);
 }
diff --git a/demos/gtk-demo/reset.css b/demos/gtk-demo/reset.css
index 60410e4..7af3e7f 100644
--- a/demos/gtk-demo/reset.css
+++ b/demos/gtk-demo/reset.css
@@ -7,60 +7,5 @@
  */
 
 * {
-  color: inherit;
-  font-size: inherit;
-  background-color: initial;
-  font-family: inherit;
-  font-style: inherit;
-  font-variant: inherit;
-  font-weight: inherit;
-  text-shadow: inherit;
-  icon-shadow: inherit;
-  box-shadow: initial;
-  margin-top: initial;
-  margin-left: initial;
-  margin-bottom: initial;
-  margin-right: initial;
-  padding-top: initial;
-  padding-left: initial;
-  padding-bottom: initial;
-  padding-right: initial;
-  border-top-style: initial;
-  border-top-width: initial;
-  border-left-style: initial;
-  border-left-width: initial;
-  border-bottom-style: initial;
-  border-bottom-width: initial;
-  border-right-style: initial;
-  border-right-width: initial;
-  border-top-left-radius: initial;
-  border-top-right-radius: initial;
-  border-bottom-right-radius: initial;
-  border-bottom-left-radius: initial;
-  outline-style: initial;
-  outline-width: initial;
-  outline-offset: initial;
-  background-clip: initial;
-  background-origin: initial;
-  background-size: initial;
-  background-position: initial;
-  border-top-color: initial;
-  border-right-color: initial;
-  border-bottom-color: initial;
-  border-left-color: initial;
-  outline-color:  initial;
-  background-repeat: initial;
-  background-image: initial;
-  border-image-source: initial;
-  border-image-repeat: initial;
-  border-image-slice: initial;
-  border-image-width: initial;
-  transition-property: initial;
-  transition-duration: initial;
-  transition-timing-function: initial;
-  transition-delay: initial;
-  engine: initial;
-  gtk-key-bindings: initial;
-
-  -GtkNotebook-initial-gap: 0;
+  all: unset;
 }