[Autocomplete] Autocomplete is not perfect in pure html file

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/
