[nautilus] theme: Do not use single color "gradients"

[Florian Müllner <fmuellner src gnome org>]

commit f704cbc29959bf60bb8ecc39b0d843d8679aa8f3
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Jun 9 10:33:48 2016 +0200

    theme: Do not use single color "gradients"
    
    GTK's parser now started to complain about gradients with a single
    color stop ...
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767430

 src/resources/css/Adwaita.css |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/resources/css/Adwaita.css b/src/resources/css/Adwaita.css
index c09ac4e..bc8e596 100644
--- a/src/resources/css/Adwaita.css
+++ b/src/resources/css/Adwaita.css
@@ -48,8 +48,8 @@
 @keyframes needs_attention_keyframes {
     0% {background-image: linear-gradient(to bottom, #fafafa, #ededed 40%,  #e0e0e0); border-color: 
@borders; }
     /* can't do animation-direction, so holding the color on two keyframes */
-    30% {background-image: linear-gradient(to bottom, @theme_base_color); border-color: @theme_fg_color; } 
-    90% {background-image: linear-gradient(to bottom, @theme_base_color); border-color: @theme_fg_color; }
+    30% {background-image: linear-gradient(to bottom, @theme_base_color, @theme_base_color, 
@theme_base_color); border-color: @theme_fg_color; }
+    90% {background-image: linear-gradient(to bottom, @theme_base_color, @theme_base_color, 
@theme_base_color); border-color: @theme_fg_color; }
     100% {background-image: linear-gradient(to bottom, #fafafa, #ededed 40%,  #e0e0e0); border-color: 
@borders; }
 }