What can be achieved with the use of '###' in flexdashboard/rmarkdown?

My flexdashboard is divided into multiple sections separated by the '###' heading, as shown below:

page 1
===================================== 

Column
-----------------------------------------------------------------------

### section 1

bla bla bla        

### Section 2

{r}
# r data 
> Source: me!

To match my company colors, I modified the CSS but wanted distinct colors for each section. For instance, section 1 in red and section 2 in blue. To achieve this, I created a new class and customized the .chart-title tag.

The custom styling works well for one section and partially for the second. I experimented with Chrome's inspect tool and attempted inserting HTML code like so:

<div class="chart-title-2">Section 2</div>
<div class="chart-stage">
<p>BLA BLA BLA</p>
</div>

However, this content appeared within the first section. When I placed the closing </div> before the new section, it disrupted the order of sections and columns.

I'm curious about the significance of the '###' heading in HTML to replicate it accurately with different CSS styles. Alternatively, if there's a simpler approach to achieving this customization?

Answer №1

When you see three dashes (###) in Markdown, it translates to the <h3> tag in HTML code. However, if you want to add custom classes or IDs to these headings, you'll need to directly style the h3 tags using CSS like this:

CSS

h3 {
  color: Teal;
}

h3:first-of-type {
  color: Tomato;
}

By doing this, you can customize the appearance of your h3 headings as you wish. Hope this explanation helps!

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