r-将rmarkdown html输出的标题加粗并分成2行

Question

我尝试使用以下代码来调整正文并将标题加粗。我想选择换行符在我的长标题中的位置，但当我编织rmd文件时，标题部分没有发生任何样式编辑。

---
title: "my really really really really n  really really long title"
author: "person"
date: "4/24/2020"
output:
html_document:
toc: true
toc_float:
collapsed: true
smooth_scroll: false
toc_depth: 4
theme: yeti 
highlight: tango
code_folding: show
---
<style>
body {
text-align: justify}
title {
font-style: bold}
</style>

Answer 1

您可以在YAML中格式化标题。**text**用于加粗标题，<br>用于换行。

---
title: "**my really really really really <br>  really really long title**"
author: "person"
date: "4/24/2020"
output:
html_document:
toc: true
toc_float:
collapsed: true
smooth_scroll: false
toc_depth: 4
theme: yeti 
highlight: tango
code_folding: show
---

---

我的真的真的很真的
真的很长的标题