相关疑难解决方法(0)

我是闪亮仪表板的新手，不熟悉 CSS，谁能告诉我如何更改闪亮仪表板中侧边栏的字体大小？非常感谢，下面是我的代码。

library('shinydashboard')
library(shiny)
ui <- dashboardPage(
  dashboardHeader(title = 'Test'),
  dashboardSidebar(
    sidebarMenu(
      menuItem('Tab1', tabName = '1', icon = icon('dashboard')),
      menuItem('Tab2', tabName = '2', icon = icon('th'))
    )),
  dashboardBody(tabItems(
    #First tab content
    tabItem(tabName = '1',
            fluidRow(
              box(plotOutput('plot1', height = 250)),
              box(tilte = 'Controls',
                  sliderInput('slider', 'Number of obs', 1, 100, 50))
            )),
    #Second tab content
    tabItem(tabName = '2',
            h2('Some text here'))
  ))
)

server <- function(input, output) {
  set.seed(122)
  histdata <- rnorm(500)
  output$plot1 <- renderPlot({
    data <- histdata[seq_len(input$slider)]
    hist(data)
  })
}
shinyApp(ui, …