[Autocomplete] Autocomplete is not perfect in pure html file

[eschneor]

Thanks for the amazing framework.
Currently, I have a html file that I want to style by your framework, what am I missing to get it as you provide in the docs?

Steps

Expected Result

Get Autocomplete as in the docs.

Actual Result

Autocomplete missing style.

Testcase

https://jsfiddle.net/5cegr0bw/1/