Complete shuffle sections

[thclark]

Feature request

Use Case

Current shuffle sections are incomplete with fragments of Lorem Ipsum.

• [x] [Andy] Remove Lorem Ipsum and replace with appropriate text where necessary
• [x] [Andy] Choose more appropriate stock for the sections where necessary
• [ ] [Tom] Remove graphical artefacts (like cards that are supposed to be transparent but aren't.
• [x] [Tom] Update images to use gatsby-image.
• [ ] [Tom] Enable dark-mode on all the sections

[thclark]

Closing now new site design received