Adjust Mermaid block styling and block content #1453
Description
- Context: Use <pre> tag for mermaid code blocks #1451
- As a
<div>the Mermaid code block has no extra styling.
Now as a<pre>it does -- extra padding all around, in particular -- since it applies to all td pre elements. - We should also avoid introducing extra whitespace the
<pre>element: use{{- .Inner -}}