Button dropped mixins

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   Button dropped mixins

   
   

   
   

   Button dropped mixins

   
   
   
   

   
   

   In API docs button does not have any mixin. After upgrade from 4 to 5, buttons in my app have lost style. What would be an alternative to mixin in this case? What did I miss?
   

   
   
   Thanks

   
   

   
   

   
   

   
   

   
   

   
   
   
   

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