anchor.diff:      module End =
           let internal ``end`` element (options: GenericOption list) children =
               let opts = genericParse options
  -            let classes = Helpers.classes Classes.End [opts.CustomClass] []
  +            let classes = Helpers.classes Classes.End (opts.CustomClass::opts.Modifiers) []
               element (classes::opts.Props) children
   
           /// Generate <div class="navbar-end"></div>
  
positive.code:             | IsTransparent -> { result with IsTransparent = true }
              | CustomClass customClass -> { result with CustomClass = Some customClass }
              | Color color -> { result with Color = ofColor color |> Some }
  
          let opts = options |> List.fold parseOptions Options.Empty
          let classes =
              Helpers.classes Classes.Container [opts.CustomClass; opts.Color; opts.FixedInfo ]
                 [ Classes.Style.HasShadow, opts.HasShadow
                   Classes.Style.IsTransparent, opts.IsTransparent]
  
  
negative.code:             | IsActive of bool
              | Props of IHTMLProp list
              | CustomClass of string
              | Modifiers of IModifier list
  
          type internal Options =
              { IsActive : bool
                CustomClass : string option
                Props : IHTMLProp list
                Modifiers : string option list }
  
              static member Empty =
                  { IsActive = false
                    CustomClass = None
                    Props = []
                    Modifiers = [] }
  
      module Item =
  
  