How to turn on Hulu's Night Mode

Whether you call it night mode or dark mode, it's a trend that plenty of websites and apps have embraced. 
Hulu is joining the party by rolling out Night Mode to all web users. It swaps the traditionally brighter colors of an interface for darker tones, like grey or black. For classic software users or fans of Slack, it's akin to changing the theme. 
Night Mode on Hulu's web version changes the whole site, from the homepage to the search box and the show pages. Switching to darker colo