[baobab] css: update to recent GTK+ changes

[Stefano Facchini <sfacchini src gnome org>]

commit 9354c28819168ea5c71e9e6d61a94f76a51daa7f
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Sun Feb 28 19:06:22 2016 +0100

    css: update to recent GTK+ changes

 src/baobab-ringschart.vala |    5 ++++-
 src/baobab.css             |   11 ++++++-----
 2 files changed, 10 insertions(+), 6 deletions(-)
---
diff --git a/src/baobab-ringschart.vala b/src/baobab-ringschart.vala
index d489eda..6fe2841 100644
--- a/src/baobab-ringschart.vala
+++ b/src/baobab-ringschart.vala
@@ -78,6 +78,10 @@ namespace Baobab {
             }
         }
 
+        static construct {
+            set_css_name ("ringschart");
+        }
+
         construct {
             notify["max-depth"].connect (subtips_update);
             notify["highlighted-item"].connect (subtips_update);
@@ -97,7 +101,6 @@ namespace Baobab {
             var context_state = context.get_state ();
             context.save ();
             context.add_class ("subfolder-tip");
-            context.add_class ("tooltip");
 
             Gtk.Allocation allocation;
             get_allocation (out allocation);
diff --git a/src/baobab.css b/src/baobab.css
index ac8e62f..776a918 100644
--- a/src/baobab.css
+++ b/src/baobab.css
@@ -53,25 +53,26 @@
     color: @theme_unfocused_text_color;
 }
 
-BaobabWindow.background GtkStack > GtkGrid > GtkScrolledWindow.frame {
+window.background stack > grid > scrolledwindow.frame {
     border-radius: 0;
     border-width: 0 1px 0 0;
 }
 
-BaobabWindow GtkInfoBar.warning,
-BaobabWindow GtkInfoBar.error {
+window infobar.warning,
+window infobar.error {
     border-bottom-width: 1px;
     border-bottom-style: solid;
     border-bottom-color: @borders;
 }
 
-BaobabRingschart {
+ringschart {
     padding: 13px 13px 13px 13px;
 }
 
-BaobabRingschart.subfolder-tip {
+ringschart.subfolder-tip {
     color: white;
     background-color: rgba(0, 0, 0, 0.8);
+    border-radius: 3px;
     padding: 3px 3px 3px 3px;
 }