How to change the color of the placeholder text using react-bootstrap-typeahead?

Question

Using react-bootstrap-typeahead there is an option to provide placeholder text.

How can I change the color of this text? I can't find the relevant selector to target the placeholder text element on the demo page:

Answer 1

I found the answer at https://stackoverflow.com/a/31045763/906814 - it's completely unrelated to react-bootstrap-typeahead, which after all just creates a standard input with a placeholder:

input[type="text"]::-webkit-input-placeholder {
  color: red;
}