[gnome-games/wip/exalm/titlebar: 2/2] ui: Apply devel style to HdyTitleBar instead of headerbars

[Alexander Mikhaylenko <alexm src gnome org>]

commit 84d13fa0abcd3455cc8e44804fa1f3d7e38c9fba
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Mon Sep 24 17:49:43 2018 +0500

    ui: Apply devel style to HdyTitleBar instead of headerbars
    
    This is pretty much required for HdyTitleBar, because children headerbars
    are meant to be transparent.
    
    Additionally, this makes the style no longer apply to fullscreen headerbar.

 data/gtk-style.css | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/gtk-style.css b/data/gtk-style.css
index 5b58ade7..c1a79c5c 100644
--- a/data/gtk-style.css
+++ b/data/gtk-style.css
@@ -13,7 +13,7 @@ gamesgamethumbnail {
        color: @theme_fg_color;
 }
 
-.devel headerbar {
+.devel headerbar.titlebar:not(.selection-mode) {
        background: transparent
                    -gtk-icontheme("system-run-symbolic") 80% 0/128px 128px no-repeat,
                    linear-gradient(to left,