Better style of username for User#show page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/sections/profile.scss

@@ -46,3 +46,8 @@
     margin: 10px 0;
   }
 }
+
+.user-show-username {
+  font-weight: 200;
+  color: #666;
+}

app/views/users/show.html.haml

@@ -9,7 +9,7 @@
             %i.icon-edit
             Edit Profile settings
       %br
-      %small #{@user.username}
+      %span.user-show-username #{@user.username}
       %br
       %small member since #{@user.created_at.stamp("Nov 12, 2031")}
     .clearfix