I found it really hard to read what was actually code, so this change
adds a very subtle hint of colour around all the code which has cheeky
border radii. I've also cheekily made the font a tiny bit smaller for
inline code so that even with the required padding, it does not mess up
the line spacing visibly.
I *believe* this will just mean HTML inside summaries is rendered rather
than being stripped, but when it strips HTML it doesn't render HTML
entities like `“`, which is what this commit is fixing.
Chrome and Safari default <svg> width and height to 'auto', which
expands the viewport to fit the pixels within. Safari doesn't, and
the viewport collapses to 0x0 unless explicitly expanded.
Firefox calculates the viewport's natural dimensions to be 16x18,
so I used those values.
Fixes#8
The width does nothing as far as I can tell, and the height makes
the clickable boxes much higher than they need to, overlapping with
the paragraph before the button in the footer.