JSFiddle - React, Tailwind, and code Playground

HTML

<button class="modal__btn"
        data-content_block=".multiple_content_1"
        data-title="modal window #1"
        data-win-animation="fade_in">
        modal 1
</button>
<button class="modal__btn"
        data-content_block=".multiple_content_2"
        data-title="modal window #2"
        data-win-animation="fade_in_right">
        modal 2
</button>
<button class="modal__btn"
        data-content_block=".multiple_content_3"
        data-title="modal window #3"
        data-win-animation="rotate">
        modal 3
</button>

<div class="multiple_content_1">Hello Friend!</div>
<div class="multiple_content_2">How are you?</div>
<div class="multiple_content_3">Are you here?</div>

<script>
  $(window).ready(function(){
    $('.modal__btn').fit_modal();
  });
</script>