JSFiddle - React, Tailwind, and code Playground

HTML

<div data-wrid="WRID-145664652759935473" data-widgettype="staticBanner" data-responsive="yes" data-class="affiliateAdsByFlipkart" height="90" width="728" style="text-align:center;"></div>
<script async src="//affiliate.flipkart.com/affiliate/widgets/FKAffiliateWidgets.js"></script>

CSS

* {margin:0; padding:0;}

div[data-wrid^=WRID] {
    margin: 0 auto;
    max-width:100% !important;
}

div[data-wrid^=WRID] img {
  max-width:100% !important;
  margin:0 auto;
}

iframe {
  max-width:730px !important;
     text-align:center !important;
     margin:0 auto;
}

@media (max-width:730px) {
    iframe {
      max-width:100% !important;
    }
}