Might be better to apply a class to the body

[VirtualDOMinic]

I noticed you seem to directly apply a style to the body to change the background colour. I feel like I've heard that it's best practice to apply CSS classes to the HTML elements and have all the actual styling in the CSS file. Would probably neaten up your js as well (avoiding use of rgba in a big object in there)

[sbinlondon]

Can you add a class to the body tag??