How to insert an definition block?

[Photonico]

The definition block is a very important element in STEM slides.
How to insert a definition block with rounded square background?

[yhatt]

Marp allows you to apply your preferred styles to specific Markdown elements using the <style> tag. Example:

> Blockquote as definition block

<style>
blockquote {
  border: 0;
  border-radius: 1em;
  background: #ccc;
  color: currentcolor;
  padding: 1em;
  width: fit-content;
}
</style>

Marp team is not a design consultancy, so we cannot detailed offer based on the current information. :)