JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<div class="row">
  <div class="col-md-12 order-md-1 order-sm-1">
    Div1
  </div>
   <div class="col-md-3 order-md-2 order-sm-3">
      Div2
   </div>
   <div class="col-md-9 order-md-3 order-sm-2">
      Div3
  </div>
</div>

CSS

div{
  border: 2px solid red;
}