在下面的图片中,我遇到了一个标题大小的问题。

这是两行标题,不适合横幅.是否有任何方法使横幅尺寸更大(垂直增加)或使标题的字体大小更小。
如果你能向我展示这两种方式,我将不胜感激。谢谢。
我的代码是
---
title: "Lecture"
subtitle: "subtitle"
author: "Instructor"
institute: "University"
output:
xaringan::moon_reader:
css: [default, metropolis, metropolis-fonts, "styles.css"]
lib_dir: libs
seal: false
nature:
highlightStyle: arta
highlightLines: true
countIncrementalSlides: false
titleSlideClass: [top, left]
---
class: title-slide, top, left, inverse
background-image: url(aaa.jpeg)
background-size: cover
# *`r rmarkdown::metadata$title`*
## *`r rmarkdown::metadata$subtitle`*
### `r rmarkdown::metadata$author`
### `r rmarkdown::metadata$institute`
### `r rmarkdown::metadata$date`
### `r Sys.Date()`
```{css, echo=FALSE}.备注-幻灯片-content.hljs-默认{
边框-顶部:40 top固体#23373B;
}
.备注-幻灯片内容> h1 {
字体大小:35;
边缘-顶部:-85 top;
}
```{r setup, include=FALSE}选项(htmltools.dir.version= FALSE)
---
# Why people are constantly switching jobs, causing frictional unemployment?
---问题页的更新版本按以下方式编写:
---
class: custom
```{css, echo=FALSE}.备注-幻灯片-内容..hljs默认{
边框-顶部:40 top固体#23373B;
}
.备注-幻灯片内容> h1 {
字体大小:35;
边缘-顶部:-85 top;
}
.custom h1 {
字体大小:24;
}
# Causes of unemployment: Why people are constantly switching jobs, causing frictional unemployment?
### .my-style1[Sectoral shifts]
### .my-style1[Structural shifts]
### Seasonal changes
### Taste shocks
---发布于 2022-08-19 18:18:12
要定义特定幻灯片的CSS规则(可能是更改该特定幻灯片的标题、字体大小或执行任何操作),请在使用class: your-class-name创建新幻灯片之后定义---。
因此,为了改变单张幻灯片的标题字体大小,我们在class: custom之后编写---,然后在CSS块中为.custom定义css规则,以减小字体大小。
---
title: "Lecture"
subtitle: "subtitle"
author: "Instructor"
institute: "University"
output:
xaringan::moon_reader:
css: [default, metropolis, metropolis-fonts, "styles.css"]
lib_dir: libs
seal: false
nature:
highlightStyle: arta
highlightLines: true
countIncrementalSlides: false
---
class: title-slide, top, left, inverse
background-image: url(lights.jpg)
background-size: cover
# *`r rmarkdown::metadata$title`*
## *`r rmarkdown::metadata$subtitle`*
### `r rmarkdown::metadata$author`
### `r rmarkdown::metadata$institute`
### `r Sys.Date()`
```{css, echo=FALSE}.备注-幻灯片-内容..hljs默认{
边框-顶部:40 top固体#23373B;
}
.备注-幻灯片内容> h1 {
字体大小:35;
边缘-顶部:-85 top;
}
.custom h1 {
字体大小:24;
}
---
class: custom
# Why people are constantly switching jobs, causing frictional unemployment?
---
# Heres another slide titlehttps://stackoverflow.com/questions/73420226
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