How can I design a datalist? (IE 11)

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CSS

HTML

bootstrap

datalist

IE11

I've programmed a website with HTML, PHP and Bootstraps.

Though to Bootstrap everything looks very professional and beautiful.

The only thing that is giving me a hard time is to show suggestions with a datalist. I have to use Internet Explorer version 11 and in IE it looks pretty old-fashioned.

Example code:

<input type="text"  class="form-control" name="Mitarbeiter2" list="Mitarbeiter">

<div class="form-group">
  <datalist id="Mitarbeiter" >
    <option value="Max Mustermann"/>
  </datalist>
</div>

Everything works perfectly fine! I just need to find a way to modernize the look a little bit.

Is there a way to do this with CSS?

Maybe even a Bootstrap class?

Any ideas?