Set a default background color

[KiruPoruno]

Currently there's no default background color set on various elements, notably the search results, however the text color is set, meaning if you've a browser or extension that sets this for whatever reason, it may cause it to be unreadable.

As an example, if the browser or an extension sets the default background color to black you get unreadable search results:

Notably however, this only applies until you start scrolling:

This is a very easy fix (html, body {background: white}), and it's been bugging me for years.