JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<div class="janela">

</div>

CSS

.janela{
  width: 100px;
  height: 100px;
  border:1px solid #f00;
  margin-top: -90px;
  position:fixed;
}

JavaScript

$(function(){
  $( ".janela" ).click(function() {
    $(this).animate({
      marginTop: 0
    }, 1500 );
  });
});