highlight public posts in the stream

app/views/shared/_stream_element.html.haml

@@ -2,8 +2,13 @@
 -#   licensed under the Affero General Public License version 3 or later.  See
 -#   the COPYRIGHT file.
 
-%li.message{:data=>{:guid=>post.id}}
+%li.message{:data=>{:guid=>post.id}, :class => ('public' if post.public?)}
   =person_image_link(person)
+
+  .public_badge
+    - if post.public?
+      = image_tag 'icons/globe.png' 
+
   .content
     .from
       %h4

public/stylesheets/sass/application.sass

@@ -545,7 +545,7 @@ ul.comments
     :top 1em
   :padding 0
   :background
-    :color rgba(10,81,109,0.05)
+    :color #F0F4F5
 
   textarea
     :width 100%
@@ -1959,3 +1959,19 @@ h3,h4
 #edit_aspect_trigger
   :font
     :size 12px
+
+.stream
+  .public_badge
+    :position absolute
+    :top 60px
+    :left 25px
+
+.message.public
+  :background
+    :color #FEFFF0
+
+  :background -webkit-gradient(linear, 0% 0%, 0% 100%, from(#FFFFF7), to(#FEFFF0))
+  :background -moz-linear-gradient(0% 100% 90deg,#FFFFF7, #FEFFF0)
+
+  &:hover
+    :background #FEFFE3