anchor.diff:                IsFullwidth = false
                 Size = None
                 CustomClass = None
  -              Props = [] }
  +              Props = []
  +              Modifiers = [] }
   
       module Tab =
   
  
positive.code:         | IsFullWidth
          | CustomClass of string
          | Props of IHTMLProp list
  
      type internal Options =
          { Alignment : string option
  
negative.code:             | IsActive of bool
              | CustomClass of string
              | Props of IHTMLProp list
              | 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 = [] }
  
      /// Generate <div class="tabs"><ul></ul></div>
      let tabs (options: Option list) children =
  