JSFiddle - React, Tailwind, and code Playground

HTML

<div class="google-maps">
        <iframe src="https://www.google.com/maps/embed?pb=!1m14!1m12!1m3!1d7098.94326104394!2d78.0430654485247!3d27.172909818538997!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!5e0!3m2!1sen!2s!4v1385710909804" width="600" height="150" frameborder="0" style="border:0"></iframe>
    </div>

CSS

.google-maps {
            position: relative;
            padding-bottom: 75%; // This is the aspect ratio
            height: 0;
            overflow: hidden;
        }
        .google-maps iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100% !important;
            height: 100% !important;
        }