JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
            <div  class="col-md-6">
               <div class="blue-section">
                   1
               </div>
            </div>
            <div  class="col-md-6">
               <div class="red-section">
                  2
               </div>
            </div>
        </div>

CSS

.col-md-6 {
    background-color: red;
}