Trailing period after section number in Rmd notebook

user_1707278 0
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I have an R notebook like the following:

---
title: "R Notebook"
output: 
  html_notebook:
    number_sections: true
    toc: true
---
# First section   
## Subsection
Some text

# Second section

When rendered to Preview Notebook in RStudio, it generates numbered section titles like 1 First section, 1.1 Subsection etc. What if I want it to add a dot at the end of the number, i.e. produce 1. First section, 1.1. Subsection etc.?

rnotebook rstudio r-markdown knitr r
1 Answers

You can use CSS for styling these numbers.

For instance, these notebook has dot after header numbers as you want:

---
title: "R Notebook"
output: 
  html_notebook:
    number_sections: true
    toc: true
---

```{css, echo=FALSE}
.header-section-number::after {
  content: ".";
}
```

# First section   
## Subsection
Some text

# Second section
user_65008040
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