How to make a mixin that can be invested in?

Question

Sass

How to make a mixin that works like input-placeholder . That is, you can insert an attachment into it.

@include input-placeholder {
    color: #bfbfbf;
    font-style: italic;
  }

What does the code for such a mixin look like?

Answer 1

SASS content directive is a wonderful thing@content