div#special.shell - Normal: teal background / Hover: dark blue background

• li - Normal: black text & solid border / Hover: red text & indented text / Hover outermost container: orange dashed border / Hover immediate container: teal dashed border
• li.extra - Same as above, but hover changes to pink background

pre - underlined by default

p - Normal: plain text, clear background / Hover: underlined text, green background