Customizing the size of the selectInput widget in R/Shiny

I'm trying to adjust the size of the selectInput() widget in shiny using selectize.js. I've attempted to tweak various attributes listed on this page (https://github.com/selectize/selectize.js/blob/master/dist/css/selectize.css) but I can't identify the one that determines the height. Unfortunately, I lack knowledge in CSS and javascript. Any advice would be greatly appreciated.

Below is a simple example:

library(shiny)

ui <- fluidPage(
    fluidRow(
        actionButton('play_but', 'Play', style='height: 20px; font-size: 10px; padding: 1px 1px;'),
        actionButton('pause_but', 'Pause', style='height: 20px; font-size: 10px; padding: 1px 1px;'),
        selectInput("speed", label=NULL, choices = list("1" = 1, "2" = 2), selected = 1),
        tags$head(tags$style(HTML(".selectize-input {max-height: 5px !important; font-size: 10px; padding: 1px 1px; box-sizing: content-box;}"))),
        tags$head(tags$style(HTML(".selectize-input input {line-height: 10px;}"))),
        tags$head(tags$style(HTML(".selectize-dropdown-content {font-size: 10px; }")))
        )
    )

shinyApp(ui, server)

This code results in:

https://i.sstatic.net/eP0nV.png

javascriptcssrshiny

Answer №1

here's a little something to spice up your day:

    library(shiny)

    ui <- fluidPage(
      fluidRow(

        selectInput("speed", label=NULL, choices = list("1" = 1, "2" = 2), selected = 1),
        tags$head(tags$style(HTML(".selectize-input {height: 100px; width: 500px; font-size: 100px;}")))
      )

)
server <- function(input, output){}
shinyApp(ui, server)

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