custom css causes navbar page causes undesired outputs

[uttam-1996]

System details

Browser Version:

Output of sessionInfo():

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Example application or steps to reproduce the problem

```R # Minimal, self-contained example app code goes here ``` ### Describe the problem in detail when using the navbar page with custom css from "https://bootswatch.com/" causes an undesired interaction with the ui elements ########################################UI CODE########################### shinyUI( navbarPage( position ="fixed-bottom", collapsible = TRUE, theme = "bootstrap.css",title = "poultrynxt", tabPanel(title = "Production", fluidRow( style = "margin-top:2%" , column(4, div(class="card", div(class="card-header","Header",tags$span(style = "float: right", dropdownButton(circle = F, status = "success",icon = icon("cog"),actionBttn("b1",label = "Download Image",block = TRUE,no_outline = TRUE)) )), div(class="card-body","Content") ) ) ) ) ) ) ######################################### 

[shrektan]

I guess you are using the theme of bootstrap version 4 but shiny only support version 3. Download theme from https://bootswatch.com/3/ will be fine.

[uttam-1996]

Yes i noticed it now, is there any possibility in near future of navbar page to support bootstrap 4 ?