Shiny dashboard box autosize

Hello I have three boxes on my dashborad-body. The boxes contains images and table. I want that boxes resize by content. I will have more srcset with different resolution of images so I cant set fixed width of boxes.

library(shinydashboard)

dashboardPage(
  dashboardHeader(),
  dashboardSidebar(),
  dashboardBody(

   fluidRow(

     box(tags$img(src="1.jpg",srcset="smaller.jpg 1024w")),   
     box(tags$img(src="1.jpg",srcset="smaller.jpg 1024w")),
     box(tags$img(src="1.jpg",srcset="smaller.jpg 1024w"))
   ) 


  )
)