我正在尝试为所有幻灯片激活revealjs演示文稿中的垂直滚动选项。
我尝试直接在.Rmd中的CSS中添加溢出选项，这会使滚动条出现在演示文稿中，但我的幻灯片仍然溢出并且无法向下滚动。
我在这里做错了什么？
谢谢
---
title: "Untitled"
author: ""
date: "16 August 2018"
output: revealjs::revealjs_presentation
---
```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = FALSE)
```
```{css}
body {
overflow: scroll;
}
```
# R Markdown
## Slide with Bullets
This is a very very very long slide.
Very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very long
最佳答案
我能够使用以下方法执行此操作：
.slide {
height: 750px;
overflow-y: auto !important;
}
您可以使用CSS样式将此内容添加到演示文稿中，
<style>
.slide {
height: 750px;
overflow-y: auto !important;
}
</style>
...或原始问题中的代码块中。
请注意，这仅在我还指定了高度以及overflow-y选项时才对我有用。
关于javascript - RMarkdown演示文稿中的滚动幻灯片(revealjs)，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/51880592/