Merge pull request #3503 from kjac/feature-angular-stylesheets-editing-in-tabs

V8: Angular implementation of stylesheets editing

src/Umbraco.Web/Models/ContentEditing/StylesheetRule.cs

@@ -16,5 +16,7 @@ namespace Umbraco.Web.Models.ContentEditing
         [DataMember(Name = "selector")]
         public string Selector { get; set; }
 
+        [DataMember(Name = "styles")]
+        public string Styles { get; set; }
     }
 }